Flights Chicago → London
ORD → LHR
Route overview
The flight route from Chicago to London operates with a high level of punctuality, with 89% of flights arriving on time. Over the course of a year, the total number of flights is eleven, and they typically experience an average delay of 6.1 minutes. The aircraft used for this route include Boeing 767-300, Boeing 777, Boeing 747-400, and Airbus A340-340, serving a destination airport that sees approximately 83,884,572 passengers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Chicago (ORD) → London (LHR) route is operated by American Airlines, British Airways, Delta Air Lines, Iberia Airlines, Lufthansa Cargo, United Airlines. Across 11 flights monitored in recent months, 89% arrived on time (within 15 min of schedule), with an average delay of 6 minutes. The cancellation rate is 0.00%. FlightGuard's average computed risk is 17.8/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At London the average ATFM delay is 1.8 minutes (main cause: atfm). Departing from Chicago the average ATFM delay is 2.0 minutes.
Heading to London: what to expect in this direction
Flying from Chicago (ORD) to London (LHR) heads north-east for about 6,344 km, a flight time of roughly 8h 21m.
Departures from Chicago on this leg cluster in the evening window: about 100% of ORD-LHR flights take off then.
Air-traffic congestion: departing Chicago the average ATFM delay is 2.0 min (atfm); arriving into London it is 1.8 min (atfm).
Across 11 tracked ORD-LHR flights, 89% left on time with an average delay of 6 min and a 0.0% cancellation rate.
Route facts
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Iberia Airlines (IB) | 86% | 17 min | 4.8% |
| Delta Air Lines (DL) | 80% | 8 min | 1.8% |
| British Airways (BA) | 77% | 17 min | 2.4% |
| Lufthansa Cargo (LH) | 76% | 15 min | 7.1% |
| United Airlines (UA) | 74% | 10 min | 6.9% |
| American Airlines (AA) | 74% | 16 min | 3.0% |
Airlines operating ORD-LHR
Airports
Frequently asked questions about ORD-LHR
On the Chicago (ORD) -> London (LHR) route, on-time performance is 89% with an average delay of 6 minutes, based on 11 tracked flights.
The cancellation rate on Chicago-London is 0.00% across 11 monitored flights.
The route is operated by 6 airlines: American Airlines, British Airways, Delta Air Lines, Iberia Airlines, Lufthansa Cargo, United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at London, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
