Flights Denver → Helena
DEN → HLN
How long is the flight from Denver to Helena?
The flight from Denver (DEN) to Helena (HLN) takes 1h 21m on average. That is the median time recorded across 2 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route from Denver to Helena has an on-time performance rate of 86%, with an average delay of just 10 minutes. Over the past year, there have been a total of 178 flights on this route, connecting passengers from Denver International Airport, which opened in 1989, to the smaller destination airport serving Helena.
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) → Helena (HLN) route is operated by United Airlines. Across 450 flights monitored in recent months, 81% arrived on time (within 15 min of schedule), with an average delay of 16 minutes. The cancellation rate is 0.89%. FlightGuard's average computed risk is 18.9/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Helena the average ATFM delay is 2.8 minutes (main cause: airspace/NAS (BTS)). Departing from Denver the average ATFM delay is 5.5 minutes.
Heading to Helena: what to expect in this direction
Flying from Denver (DEN) to Helena (HLN) heads north-west for about 955 km, a flight time of roughly 1h 21m.
Departures from Denver on this leg cluster in the overnight window: about 47% of DEN-HLN flights take off then.
Air-traffic congestion: departing Denver the average ATFM delay is 5.5 min (atfm); arriving into Helena it is 2.8 min (airspace/NAS (BTS)).
Across 450 tracked DEN-HLN flights, 81% left on time with an average delay of 16 min and a 0.9% 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-HLN
Frequently asked questions about DEN-HLN
The flight from Denver (DEN) to Helena (HLN) takes 1h 21m on average. That is the median time recorded across 2 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Denver (DEN) -> Helena (HLN) route, on-time performance is 81% with an average delay of 16 minutes, based on 450 tracked flights.
The cancellation rate on Denver-Helena is 0.89% 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 Helena, 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.
