Chicago O’Hare Airport Chaos June 13, 2026: 117 Cancellations + 335 Delays = 452 Total Disruptions — American Airlines Highest Cancellations, United Airlines Dozens of Flights Hit — SkyWest, Republic Airways, Endeavor Air All Disrupted — Routes to US, Canada, Mexico, Spain, Italy, Japan, Ireland Severed — Tornado Warnings + FAA Ground Stop + Thunderstorms — Day 74 of US Aviation Crisis — Complete DOT Passenger Rights Guide

Published: June 13, 2026 — Saturday (Day 74 of US Aviation Crisis · FIFA World Cup 2026 Day 3 · Tournament Runs June 11–July 19)

Chicago O’Hare International Airport is in full crisis — again.

117 flight cancellations. 335 severe delays. 452 total disruptions. American Airlines recording the highest cancellation count of any carrier at O’Hare today. United Airlines seeing dozens of flights disrupted across its massive hub presence. SkyWest Airlines, Republic Airways, and Endeavor Air all simultaneously hit with cascading delays and cancellations that are ruining connecting itineraries across the country. And at the edge of it all: tornado warnings, a Federal Aviation Administration Ground Stop, and a thunderstorm system that has already claimed Chicago Midway (172 disruptions), Charlotte Douglas (263 disruptions), Atlanta (240 disruptions), and Washington Dulles (102 disruptions) on the same day.

Today — Saturday June 13, Day 74 of the US Aviation Crisis — O’Hare is not merely the most disrupted airport in the Midwest. It is the most disrupted airport in the country, producing 452 total disruptions that have severed air routes to destinations across the United States, Canada, Mexico, Spain, Italy, Japan, Ireland, and the broader international network. Routes connecting Chicago to LaGuardia, Dallas-Fort Worth, Miami, Boston, and Newark are broken. Transatlantic services to Madrid, Rome, Dublin, and Tokyo connections are disrupted. And the weather warnings that drove today’s FAA Ground Stop are continuing to evolve.

If you are at O’Hare today, booked through O’Hare on any carrier, or connecting from a smaller US city through Chicago to an international flight — this is everything you need to know, including exactly what you are owed under US Department of Transportation rules.

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Published: June 13, 2026 — Day 74 of US Aviation Crisis
Airport: Chicago O’Hare International Airport (ORD) — Chicago, Illinois
Airport rank: World’s 6th busiest — 3rd busiest in the United States
Total cancellations today: 117 flights ✈️❌
Total delays today: 335 flights ✈️⏱️
Total disruptions: 452
Cause: Severe thunderstorms + tornado warnings + FAA Ground Delay Program (GDP) + Ground Stop
Worst carrier — cancellations: American Airlines ⚠️ (highest cancellation count at ORD today)
Worst carrier — delays: United Airlines ⚠️ (dozens of flights — hub saturation)
Regional carriers disrupted: SkyWest Airlines ✅ | Republic Airways ✅ | Endeavor Air ✅
All carriers affected: American Airlines · United Airlines · SkyWest · Republic · Endeavor Air · Delta · Air Canada · Lufthansa · others
Routes severed: New York (LGA, JFK, EWR) · Dallas-Fort Worth · Miami · Boston · Newark · Los Angeles · Spain (Madrid) · Italy (Rome, Milan) · Japan (Tokyo) · Ireland (Dublin) · Mexico · Canada
Secondary hubs simultaneously disrupted: Atlanta ATL (240) · Charlotte CLT (263) · Chicago Midway MDW (172) · Washington Dulles IAD (102)
ORD disruption series — June 2026:

• June 4: O’Hare in national 1,092-disruption day — American + United worst hit
• June 7: 267 delays + 4 cancellations — United, American, Delta, Air Canada
• June 9: 550 delays + 20 cancellations — O’Hare worst airport in US that day
• June 10: United/American Travel Waivers issued — pre-emptive storm warning
• June 11: Part of 296-delay LaGuardia + O’Hare twin meltdown
• 
  June 13 (TODAY): 117 cancellations + 335 delays = 452 disruptions ← THIS ARTICLE
  FAA action today: ✅ Ground Delay Program (GDP) activated · Ground Stop issued during tornado warnings
  Travel waivers: ✅ Check aa.com/travelwaiver and united.com/travel-waiver for active ORD waivers
  DOT weather rule: ⚠️ No cash compensation — but full refund + rebooking rights apply
  DOT 24-hour refund: ✅ Full cash refund if flight cancelled regardless of cause
  Meal vouchers: Check airline Customer Commitment — some carriers provide regardless of cause
  Live status: flightaware.com · flightradar24.com · fly.faa.gov
  DOT passenger rights: transportation.gov/airconsumer

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Part 1 — What Is Happening at O’Hare Right Now

O’Hare is the defining hub of American aviation — geographically centred, operationally critical, and uniquely exposed to the Midwest thunderstorm systems that roll through the Chicago area with particular intensity from May through September. Today’s severe weather system has produced tornado warnings across the Chicago metropolitan area alongside the thunderstorm activity, triggering the Federal Aviation Administration’s most restrictive operational responses: a Ground Delay Program, which holds inbound aircraft at departure airports, and at peak intensity today, a full Ground Stop — which halts all arrivals and departures at the affected airport until the lightning and tornado threat clears the immediate vicinity.

The consequence of a Ground Stop at O’Hare is immediate and total. Every aircraft scheduled to land at ORD is placed in a holding pattern, diverted, or held at its departure airport. Every aircraft on the ground at ORD that was scheduled to push back is held at the gate. Crew duty time clocks continue running. Aircraft that were supposed to rotate for their next scheduled flights are sitting stationary on the ramp. By the time the Ground Stop lifts, the delay debt is typically 2–4 hours deep — and at an airport the size of O’Hare, which processes over 900 departures on a busy day, that debt produces cascade disruptions that can persist well into the following day.

Today’s 452 total disruptions at O’Hare — 117 cancellations and 335 delays — represent the airport’s highest single-day disruption total in June 2026. It surpasses the June 9 figure of 570 disruptions in terms of cancellations (117 today vs 20 on June 9), meaning today is specifically a cancellations-heavy event — the type where airlines are making hard decisions to cancel flights outright rather than try to operate late, because crew duty time limits and aircraft repositioning needs make recovery impossible within the operating day.

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Part 2 — Carrier-by-Carrier Breakdown: Who Is Hit and How Hard

American Airlines — highest cancellations at ORD today

American Airlines operates Terminal 3 at O’Hare — one of the airport’s two primary terminals — and handles approximately 350–400 daily departures from ORD on a normal day, making it the dominant carrier alongside United. Today, American has recorded the highest cancellation count of any carrier at O’Hare, disrupting the airline’s domestic, international, and regional network simultaneously.

American’s ORD operations connect to every major US hub — Dallas-Fort Worth (its primary hub), New York, Miami, Los Angeles, Philadelphia, Boston, and Washington — and to international destinations including London Heathrow, Madrid, and Dublin operated by mainline American widebody aircraft. The cancellation of transatlantic services from ORD today — or their severe delay — is creating a specific problem for passengers who booked Chicago as a transatlantic gateway to avoid the congestion at New York-area airports. Those passengers are now facing the same level of disruption they sought to avoid.

American’s regional feeds at ORD — operated by Envoy Air, Republic Airways, PSA Airlines, and Piedmont Airlines — are all simultaneously disrupted. The regional cancellations are hitting the hardest for passengers in smaller Midwest cities who were connecting through O’Hare to reach their final destinations. If your inbound regional flight to ORD is cancelled, your connecting mainline American flight is at risk even if it departs on time — you are no longer at the airport.

Rebooking: aa.com → My Trips → Travel Waiver. Phone: 1-800-433-7300. Priority lines for AAdvantage Gold and above.

United Airlines — dozens of flights disrupted (hub saturation)

United Airlines operates Terminal 1 at O’Hare — the airport’s primary international terminal — and processes approximately 400–450 daily departures from ORD. United’s ORD hub is the airline’s largest single operation globally, connecting to every continent and functioning as the primary North American gateway for dozens of international carriers under codeshare agreements.

Today’s tornado warnings and Ground Stop have hit United’s hub with the full force of the weather system. The carrier is recording dozens of disrupted flights — delays and cancellations — across domestic, Canada, Mexico, transatlantic, and transpacific routes. The United ORD hub serves Tokyo Narita (NRT), London Heathrow (LHR), Frankfurt (FRA), Dublin (DUB), Cancún (CUN), and Toronto Pearson (YYZ) among its major international connections — all of these routes are under disruption pressure today.

United issued Travel Waivers for O’Hare as recently as June 10 for the previous storm system, indicating the airline anticipated another disruption window. Check united.com/travel-waiver for any active waiver covering today’s June 13 ORD event — if one is active, it allows fee-free rebooking within the waiver window without contacting a customer service agent.

Rebooking: united.com → My Trips. Phone: 1-800-864-8331. MileagePlus Premier members use dedicated priority lines.

SkyWest Airlines — cascading delays

SkyWest operates as both United Express and American Eagle at Chicago O’Hare, providing the short-haul regional feed for both United and American mainline services. SkyWest is recording a large number of cascading delays today — the pattern typical of a regional carrier whose schedule unravels when mainline hub operations collapse. When SkyWest’s inbound aircraft from a regional city arrives late because the ORD-bound slot was held under the Ground Delay Program, every subsequent rotation of that aircraft is delayed until it can recover — which often does not happen in the same operating day.

Passengers booked on SkyWest-operated services should handle all rebooking through either United (for United Express tickets) or American (for American Eagle tickets) depending on which mainline carrier issued the ticket.

Republic Airways — cancellations and delays

Republic Airways operates as American Eagle at O’Hare and has been one of the most consistently disrupted regional carriers throughout June 2026. Today Republic is recording both cancellations and delays that are, in the words of verified aviation tracking data, “ruining countless connections” — passengers who were using Republic inbound services to connect to mainline American international departures are finding both their inbound and outbound services disrupted simultaneously. Handle Republic rebooking through American Airlines: aa.com or 1-800-433-7300.

Endeavor Air — delays

Endeavor Air operates as Delta Connection at O’Hare, providing Delta’s regional feed at the airport. Endeavor has been the most consistently disrupted regional carrier in the US for June 2026 — having appeared in the disruption data for LaGuardia, Charlotte, and now O’Hare during the same week. Endeavor passengers: all rebooking through Delta Air Lines. delta.com → Fly Delta app.

Delta Air Lines, Air Canada, Lufthansa — additional carriers

Delta operates a secondary presence at O’Hare alongside its primary Atlanta hub operations. Air Canada operates ORD–Toronto Pearson and ORD–Montreal services — today’s ORD disruption is compounding the already severe Canada-wide chaos day of 623 delays and 131 cancellations nationally. Lufthansa operates ORD–Frankfurt service from Terminal 1 — today’s delays are affecting its transatlantic schedule. All three carriers are disrupted at ORD today alongside the American and United hub operations.

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Part 3 — Routes Broken Today: O’Hare’s Global Cascade

O’Hare’s disruptions are not staying in Chicago. The routes broken or severely disrupted today span four continents:

Domestic — Northeast Corridor: New York LaGuardia (LGA) · New York JFK · Newark Liberty (EWR) · Philadelphia (PHL) · Boston Logan (BOS) · Washington Dulles (IAD) · Washington Reagan National (DCA)

Note: LaGuardia, Newark, and Washington Dulles are themselves disrupted today, meaning passengers trying to connect ORD → New York → international are facing disruption at both the Chicago and New York ends of their itinerary.

Domestic — South and Southwest: Dallas-Fort Worth (DFW) · Miami (MIA) · Houston (IAH) · Atlanta (ATL) · Charlotte (CLT) · Los Angeles (LAX) · Phoenix (PHX)

Note: Dallas, Atlanta, and Charlotte are all simultaneously disrupted today. ORD → DFW, ORD → ATL, and ORD → CLT connections are at elevated risk at both ends.

International — Europe: Spain — Madrid-Barajas (MAD) — American Airlines and Iberia codeshare services Italy — Rome Fiumicino (FCO) and Milan Malpensa (MXP) — United and Lufthansa connections Ireland — Dublin (DUB) — United Airlines and Aer Lingus codeshare services Germany — Frankfurt (FRA) — Lufthansa and United connections United Kingdom — London Heathrow (LHR) — American Airlines and United services

International — Asia / Pacific: Japan — Tokyo Narita (NRT) — United Airlines and ANA codeshare connections South Korea — Seoul Incheon (ICN) — United and Korean Air connections via ORD

International — Canada and Mexico: Toronto Pearson (YYZ) — Air Canada and United Montreal Trudeau (YUL) — Air Canada Cancún (CUN), Mexico City (MEX) — United, American

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Part 4 — The O’Hare June 2026 Disruption Pattern: Five Events in Nine Days

Today is the fifth significant O’Hare disruption event in nine days — a frequency that goes beyond any single weather system and reflects the structural reality of Chicago aviation in summer 2026.

June 4: O’Hare caught in the national 1,092-delay / 58-cancellation day across all UK and US airports simultaneously. American and United both worst hit at ORD.

June 7: 267 delays and 4 cancellations at O’Hare. United, American, Delta, and Air Canada all affected. International connections to Toronto, Frankfurt, and London disrupted.

June 9: O’Hare records 550 delays and 20 cancellations — the worst single airport in the United States on that day, as part of a national 4,815-delay / 111-cancellation event. The June 9 O’Hare figure was the highest of any day since the US Aviation Crisis began in April 2026.

June 10: United Airlines and American Airlines both issue Travel Waivers for O’Hare pre-emptively ahead of another forecast thunderstorm system — the second consecutive week of pre-emptive waiver issuance for Chicago.

June 11–12: O’Hare contributes to the multi-hub cascades that produce 296 delays at LaGuardia, 319 delays at Heathrow, and the broader North American disruption pattern.

June 13 (today): 117 cancellations + 335 delays = 452 disruptions. Tornado warnings. FAA Ground Stop. American Airlines highest cancellations. United Airlines hub saturation. Five simultaneous US hubs in crisis.

The consistent pattern reveals a deeper structural reality. O’Hare operates with some of the tightest slot constraints of any major US airport — having been under FAA slot controls since the 1960s — and handles a volume of traffic that leaves almost no operational buffer. When a thunderstorm system produces a Ground Stop, the system has no room to absorb the disruption. Every delay compounds the next. Crew duty limits are reached. Aircraft cannot reposition. The day’s disruption debt carries forward into the next morning’s operations.

Chicago’s proximity to the central US storm track — which produces the most intense thunderstorm activity in North America during June, July, and August — means this disruption pattern is not an anomaly for the summer. It is the baseline condition O’Hare passengers must plan for throughout the peak travel season.

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Part 5 — Your Complete DOT Passenger Rights Guide for June 13

The weather and tornado warning rule:

Today’s Ground Stop and Ground Delay Program at O’Hare were triggered by severe thunderstorms and tornado warnings — events classified as extraordinary circumstances under US Department of Transportation rules. Under this classification, airlines are not legally required to pay cash compensation for delays or cancellations. However — and this is critical — extraordinary circumstances eliminate only the cash compensation requirement. All other passenger rights remain fully intact.

What you ARE owed today regardless of weather:

✅ Full cash refund — if your flight is cancelled for any reason, including weather and tornado warnings, you are entitled to a full refund to your original payment method. The DOT’s Final Rule on Airline Refunds (effective October 2024) makes this non-negotiable. If the airline offers a travel voucher, you are entitled to decline it and insist on the cash refund.

✅ Rebooking on the next available same-airline flight — at no charge, no change fee, no fare difference. If the next available American or United flight is not until the following day, that is your entitlement — a seat on that flight at no additional cost.

✅ Rebooking on a partner carrier — airlines have discretion to rebook on alliance or codeshare partners during mass disruption events, though they are not legally required to do so in the US. American Airlines oneworld partners include British Airways, Iberia, Japan Airlines, Cathay Pacific, and Alaska Airlines. United Airlines Star Alliance partners include Lufthansa, Air Canada, ANA, Singapore Airlines, and SWISS. Ask at the desk specifically for partner rebooking if the same-airline option is not viable for your timeline.

✅ Full itinerary protection — if you are booked ORD → connecting hub → international final destination and your ORD departure is cancelled, your rights apply to the entire ticketed itinerary. The airline is responsible for getting you to your final destination, not just to your connecting hub.

What you are NOT owed due to weather:

❌ Cash delay compensation (no DOT equivalent of EU261’s €250–€600) ❌ Mandatory meal vouchers for weather-caused delays (check your carrier’s Customer Commitment — some provide them voluntarily regardless of cause) ❌ Mandatory hotel vouchers for weather-caused overnight delays

The Travel Waiver advantage:

When United or American issues a Travel Waiver for a specific airport and date — as both carriers did for O’Hare on June 10 — the waiver allows fee-free, fare-difference-free rebooking within the waiver window without needing to contact a customer service agent. Check aa.com/travelwaiver and united.com/travel-waiver right now to see if active waivers have been issued for ORD June 13. If a waiver is active, use it in the app — it is faster than any other rebooking method.

Connecting passengers — the missed connection rule:

If you are travelling on a single ticket (one booking reference) from a regional city through O’Hare to an international destination, and the first leg is delayed or cancelled such that you miss your connection, the operating carrier is responsible for rebooking the entire itinerary. You do not need to rebook each leg separately. The carrier is responsible for your journey to the final destination on the ticket — at no additional cost.

If you purchased separate tickets:

If you booked your regional inbound separately from your ORD–international outbound, the carriers have no legal obligation to coordinate your connection. You are treated as two separate passengers with two separate itineraries. This is the most common travel mistake passengers make — always book connecting journeys on a single ticket.

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Part 6 — Practical Steps: What To Do Right Now at O’Hare

If your flight is delayed 2+ hours:

Open the United or American app immediately. Both airlines’ apps show real-time delay status and rebooking options before gate agents make any announcements. If a new routing is available — even via a different Chicago airport (Midway is also disrupted today, but may have capacity on some routes) or a different departure city — the app will show it first.

If your flight is cancelled:

1. Go to the app first. Do NOT queue at the customer service desk — O’Hare customer service queues during mass cancellation events routinely reach 3–4 hours. The app processes rebooking or refund requests faster than any human queue.
2. In the app: choose (a) rebook on the next available flight, or (b) cancel and request a full cash refund. If you choose the refund, the app will process it to your original payment method. Do not accept a travel credit unless you specifically want one.
3. Call the reservations line while also using the app — the line will have long waits, but running both simultaneously increases your speed. United: 1-800-864-8331. American: 1-800-433-7300.
4. For international passengers: also contact the airline’s UK, Australian, or Canadian number — these lines often have significantly shorter wait times during US domestic disruption events.
5. Check alternative airports: Midway (MDW) is 18 miles from O’Hare and can be reached by the CTA Orange Line. Midway has Southwest Airlines operations and some other carriers. If your destination can be reached via Midway with a flight that has availability, it may be faster than waiting for the next O’Hare departure.

If you are connecting through O’Hare to an international flight today:

Act now — do not wait until you are at O’Hare. If your inbound regional or domestic service to ORD is showing a delay that will cause you to miss your international connection, call the airline from wherever you currently are and request rebooking. Seats on alternative international departures fill up within hours of a mass cancellation event — the passengers who rebook first get the best options.

If you are a World Cup traveller:

If today’s ORD disruption is affecting a journey to a US World Cup host city — Chicago is a gateway for Kansas City (MKC), which hosts World Cup matches, as well as for New York and Los Angeles — contact your airline immediately for alternative routing. Your full refund and rebooking rights are unaffected by the purpose of your travel.

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Part 7 — Live Tools: Track Your O’Hare Flight Right Now

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Key Contacts — Chicago O’Hare Airport June 13, 2026

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Related Articles:

• US Flight Chaos June 13, 2026: Day 74 — American, Delta, United, Southwest All Hit — Complete DOT Rights Guide
• Charlotte Douglas Airport Chaos June 13, 2026: 243 Delays + 20 Cancellations — American Airlines 134 Delays — PSA, Piedmont, Endeavor All Hit — Dallas, New York, Chicago, London Routes Broken — Day 74 — DOT Rights
• Atlanta Airport Chaos June 13, 2026: 214 Delays + 26 Cancellations — Delta, Southwest, JetBlue, Etihad Hit — Routes to Argentina, Italy, Germany, Japan, Caribbean Severed — Day 74 — DOT Rights
• Canada Flight Chaos June 13, 2026: 623 Delays + 131 Cancellations — Jazz 66 Cancels Worst — Toronto 185 Delays + 57 Cancels — Montreal 136 Delays — Eight Airports Hit — Day 74 — APPR Rights

Posted By : Vinay

As a lead contributor for Travel Tourister, Vinay is dedicated to serving our Tier 1 audience (US, UK, Canada, Australia). His mission is to deliver precise, fact-checked news and actionable, data-driven articles that empower readers to make informed decisions, minimize travel risks, and maximize their adventure without compromising safety or budget.