Flights Houston → London
IAH → LHR
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 Houston (IAH) → London (LHR) route is operated by American Airlines, British Airways, Iberia Airlines, Lufthansa Cargo, United Airlines. Across 8 flights monitored in recent months, 43% arrived on time (within 15 min of schedule), with an average delay of 201 minutes. The cancellation rate is 0.00%. FlightGuard's average computed risk is 18.6/100 (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 Houston the average ATFM delay is 2.0 minutes.
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Iberia Airlines (IB) | 86% | 17 min | 4.8% |
| United Airlines (UA) | 81% | 6 min | 1.9% |
| British Airways (BA) | 77% | 17 min | 2.4% |
| American Airlines (AA) | 76% | 9 min | 2.4% |
| Lufthansa Cargo (LH) | 76% | 15 min | 7.1% |
Airlines operating IAH-LHR
Airports
Frequently asked questions about IAH-LHR
On the Houston (IAH) -> London (LHR) route, on-time performance is 43% with an average delay of 201 minutes, based on 8 tracked flights.
The cancellation rate on Houston-London is 0.00% across 8 monitored flights.
The route is operated by 5 airlines: American Airlines, British Airways, 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.
