Flights Great Falls → Denver
GTF → DEN
How long is the flight from Great Falls to Denver?
The flight from Great Falls (GTF) to Denver (DEN) 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.
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 Great Falls (GTF) → Denver (DEN) route is operated by United Airlines. Across 450 flights monitored in recent months, 84% arrived on time (within 15 min of schedule), with an average delay of 14 minutes. The cancellation rate is 1.56%. FlightGuard's average computed risk is 24.8/100 (medium), 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 Great Falls the average ATFM delay is 5.5 minutes.
Heading to Denver: what to expect in this direction
Flying from Great Falls (GTF) to Denver (DEN) heads south-east for about 1,003 km, a flight time of roughly 1h 40m.
Departures from Great Falls on this leg cluster in the morning window: about 50% of GTF-DEN flights take off then.
Air-traffic congestion: departing Great Falls the average ATFM delay is 5.5 min (atfm); arriving into Denver it is 5.5 min (atfm).
Across 450 tracked GTF-DEN flights, 84% left on time with an average delay of 14 min and a 1.6% cancellation rate.
Route facts
Flights on this route
Check the risk of a specific flight.
Flexible on this trip? Compare flights
Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 83% | 5 min | 1.3% |
Airlines operating GTF-DEN
Airports
Frequently asked questions about GTF-DEN
The flight from Great Falls (GTF) to Denver (DEN) 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 Great Falls (GTF) -> Denver (DEN) route, on-time performance is 84% with an average delay of 14 minutes, based on 450 tracked flights.
The cancellation rate on Great Falls-Denver is 1.56% across 450 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 Denver, 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.
