Chicago O’Hare: flight delay and tarmac rights
70.37% of O’Hare’s 35,303 domestic arrivals landed on time in July 2026, within a point of the 69.49% national rate and the largest arrival count of the five US airports this site compares. O’Hare flight delay rights start with the tarmac clock, not with cash. No federal rule pays for the wait, but a long wait on the aircraft triggers deplaning and care duties. EU261 or UK261 reach an O’Hare departure only on the carriers their arrival rules name.
O’Hare’s 35,303 domestic arrivals landed on time in July 2026, within a point of the 69.49% national rate and the largest arrival count of the five 
US airports this site compares. 
- US DOT $Refundno fixed cash for a delay; refund after a significant change
- EU261 €€250–€600per passenger, 3 h or more late at arrival
- UK261 ££220–£520per passenger, 3 h or more late at arrival
#Which rules cover delayed flights departing O’Hare?
30 seats or more is the aircraft size at which the federal tarmac rule binds US carriers, and foreign carriers on flights to or from the US. EU261 and UK261 add a second layer only on the carriers their arrival rules name, and a US airline is never one of them.
The tarmac rule does not care whose flag is on the tail. The refund rule in 14 CFR Part 260 also applies to a canceled or significantly delayed departure. DOT’s Fly Rights page adds the limit: for domestic itineraries, airlines are not required to compensate passengers whose flights are delayed or canceled.
The European rules work the other way round and care only about the operating carrier. A Chicago-to-Frankfurt flight is covered by EU261 when a Community carrier such as Lufthansa operates it, and not when a US carrier flies it, because article 3(1)(b) extends the regulation to arrivals only through a Community operator. A Chicago-to-London flight follows UK261 on a UK or Community carrier. Neither applies if you already received benefits or compensation and assistance in the country you left.
Lufthansa operates it, and not when a 
UK or Community carrier. Neither applies if you already received benefits or compensation and assistance in the country you left.This page names no airline as flying any particular route from O’Hare, so check the operating carrier on your booking. Canada’s APPR can apply on a connection into Canada; the EU261 and UK261 hubs cover the European amounts, the regime finder sorts mixed bookings, and the US DOT hub covers the rest of the federal rules. The airport index lists the other US airports.
Canada’s APPRSource: 14 CFR 259.2, 259.3, 259.4 — ecfr.gov; 14 CFR 260.2 — ecfr.gov; DOT Fly Rights — transportation.gov; EU261 art. 3(1)(b) — eur-lex.europa.eu; UK261 art. 3(1)(b) — legislation.gov.uk, checked 2026-09-15.
#How did O’Hare arrivals perform in July 2026?
70.37% of O’Hare’s 35,303 domestic arrivals landed on time in July 2026, 0.88 points above the 69.49% national rate and the largest arrival count of the five US airports this site compares. Cancellations ran at 4.44%, diversions at 0.77%. Eleven carriers reported O’Hare data to the Bureau of Transportation Statistics that month.
No other airport of the five sits as close to the US-wide baseline.
Cancellations, at 4.44%, were 1.6 times the national 2.79%. These figures cover only domestic arrivals of carriers reporting to BTS, for one month, so international flights and foreign carriers such as British Airways and Lufthansa are not in them.
British Airways and BTS on-time arrivals, July 2026 | O'Hare | National |
|---|---|---|
Domestic arrivals counted | 35,303 | 697,754 |
On time | 70.37% | 69.49% |
Canceled | 4.44% | 2.79% |
Diverted | 0.77% | 0.52% |
None of these figures counts how long any aircraft sat on the tarmac. The BTS on-time table behind this page carries no per-airport tarmac-delay count, so nothing here says O’Hare has more long tarmac waits than anywhere else.
Source: US DOT BTS, Airline On-Time Statistics and Delay Causes, period 24319 (July 2026) — transtats.bts.gov, checked 2026-09-22.
#How long can an airline keep you on the tarmac at O’Hare?
3 hours on a domestic flight and 4 hours on an international one are the federal tarmac limits under 14 CFR 259.4: before either is exceeded, the airline must give you the opportunity to deplane, subject to safety, security and air-traffic-control exceptions. Food and potable water are due no later than 2 hours after the delay starts.
The rule covers US certificated and commuter carriers, and foreign carriers on flights to or from the US, whenever the aircraft has 30 or more passenger seats. A status notice is due once the delay passes 30 minutes. For every flight, the airline must also keep lavatories working and provide medical attention if needed, and that duty carries no time threshold at all.
A tarmac wait long enough to make an O’Hare flight arrive 3 hours late on a domestic itinerary, or 6 hours late internationally, also meets the significant-delay definition in 14 CFR 260.2, which opens the refund test if you decline the airline’s alternative. The tarmac delay rule page sets out the exceptions.
Source: 14 CFR 259.4(c) — ecfr.gov; 14 CFR 259.2, 259.3 — ecfr.gov; 14 CFR 260.2 — ecfr.gov, checked 2026-09-15.
#Where do you complain after a long wait at O’Hare?
30 days to acknowledge and 60 days to answer in full are the airline’s deadlines under 14 CFR 259.7(c) once you complain in writing about a long O’Hare tarmac wait. Send the complaint to the airline first; an unanswered or inadequate reply can then go to the DOT’s Office of Aviation Consumer Protection.
A tarmac complaint is only as strong as its clock. Set out when the doors closed, when the first status announcement came, when food and water arrived, and whether anyone offered the chance to deplane before the 3-hour domestic or 4-hour international limit. The airline’s reply then has to deal with specific minutes, not a general apology.
For the regulator, use the online form at secure.dot.gov/air-travel-complaint or write to the Office of Aviation Consumer Protection, U.S. DOT, 1200 New Jersey Ave SE, Washington DC 20590. The DOT sends the complaint on and the airline must answer you with a copy to the Department. It does not investigate every service complaint; it runs targeted and sample reviews, and civil-rights complaints sit outside that limit.
Where a Community carrier flew you into the EU, or a UK or Community carrier into the UK, a European claim runs to the airline and then to the enforcement body of the arrival country, the Civil Aviation Authority for the UK; the US complaint page covers the DOT side. National carrier-level on-time and delay-cause figures for June 2026 are on the airline delay rankings page.
EU, or a 
Civil Aviation Authority for the General information, not legal advice. For your specific case: the DOT Office of Aviation Consumer Protection or a consumer protection attorney.
#Sources
- U.S. DOT, Fly Rights - transportation.gov, checked 2026-09-15.
- U.S. DOT BTS, Airline On-Time Statistics and Delay Causes - transtats.bts.gov, checked 2026-09-22.
- 14 CFR Part 259, Enhancing Airline Passenger Protections - ecfr.gov, checked 2026-09-15.
- 14 CFR Part 260, Refunds - ecfr.gov, checked 2026-09-15.
- U.S. DOT, File a Consumer Complaint - transportation.gov, checked 2026-09-15.
- Regulation (EC) No 261/2004, art. 3 - eur-lex.europa.eu, checked 2026-09-15.
- Regulation (EC) No 261/2004 as it forms part of UK law, art. 3 - legislation.gov.uk, checked 2026-09-15.