Flights London → Denver
LHR → DEN
How long is the flight from London to Denver?
The flight from London (LHR) to Denver (DEN) takes about 9h 47m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
Route overview
The flight route connects London to Denver, operating with a Boeing 777 aircraft. The destination airport in Denver opened in 1989 and serves over 82 million passengers annually.
The London (LHR) → Denver (DEN) route is operated by American Airlines, British Airways, Iberia Airlines. FlightGuard's average computed risk is 9.5/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Denver the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from London the average ATFM delay is 1.8 minutes.
Heading to Denver: what to expect in this direction
Flying from London (LHR) to Denver (DEN) heads north-west for about 7,497 km, a flight time of roughly 9h 47m.
Air-traffic congestion: departing London the average ATFM delay is 1.8 min (atfm); arriving into Denver it is 5.5 min (atfm).
Route facts
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Iberia Airlines (IB) | 87% | 20 min | 1.2% |
| American Airlines (AA) | 79% | 6 min | 1.1% |
| British Airways (BA) | 66% | 31 min | 1.3% |
Airlines operating LHR-DEN
Frequently asked questions about LHR-DEN
The flight from London (LHR) to Denver (DEN) takes about 9h 47m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
Route-specific punctuality data isn't available yet. Check your flight on FlightGuard for a real-time analysis.
The cancellation rate varies by airline and season. Check your flight risk for an up-to-date estimate.
The route is operated by 3 airlines: American Airlines, British Airways, Iberia Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Denver, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
The London-Denver route is about 7,497 km: for a cancellation (with less than 14 days' notice), a delay over 3 hours, or denied boarding, UK261 compensation is £520, barring extraordinary circumstances.
