Flights Denver → Great Falls
DEN → GTF
How long is the flight from Denver to Great Falls?
The flight from Denver (DEN) to Great Falls (GTF) takes about 1h 40m. 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 from Denver to Great Falls has an on-time performance rate of 82%, with flights typically experiencing a mean delay of 8.5 minutes. Since the origin airport in Denver opened in 1989, it serves as a gateway for this route, connecting to Great Falls where the destination airport sees around 351,226 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 Denver (DEN) → Great Falls (GTF) route is operated by United Airlines. Across 437 flights monitored in recent months, 73% arrived on time (within 15 min of schedule), with an average delay of 19 minutes. The cancellation rate is 1.14%. FlightGuard's average computed risk is 20/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Great Falls the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Denver the average ATFM delay is 5.5 minutes.
Heading to Great Falls: what to expect in this direction
Flying from Denver (DEN) to Great Falls (GTF) heads north-west for about 1,003 km, a flight time of roughly 1h 40m.
Departures from Denver on this leg cluster in the midday window: about 50% of DEN-GTF flights take off then.
Air-traffic congestion: departing Denver the average ATFM delay is 5.5 min (atfm); arriving into Great Falls it is 5.5 min (atfm).
Across 437 tracked DEN-GTF flights, 73% left on time with an average delay of 19 min and a 1.1% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 83% | 5 min | 1.3% |
Airlines operating DEN-GTF
Airports
Frequently asked questions about DEN-GTF
The flight from Denver (DEN) to Great Falls (GTF) takes about 1h 40m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
On the Denver (DEN) -> Great Falls (GTF) route, on-time performance is 73% with an average delay of 19 minutes, based on 437 tracked flights.
The cancellation rate on Denver-Great Falls is 1.14% across 437 monitored flights.
The route is operated by 1 airline: United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Great Falls, 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.
