Flights Helena → Denver
HLN → DEN
Route overview
The flight route from Helena to Denver has a high on-time performance rate of 90%, with an average delay of just 3.8 minutes across the total of 178 flights recorded. The destination airport in Denver, which opened in 1989, is one of the busiest in the United States, serving over 82 million 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 Helena (HLN) → Denver (DEN) route is operated by United Airlines. Across 240 flights monitored in recent months, 86% arrived on time (within 15 min of schedule), with an average delay of 20 minutes. The cancellation rate is 1.67%. FlightGuard's average computed risk is 13.7/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Denver the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Helena the average ATFM delay is 2.8 minutes.
Heading to Denver: what to expect in this direction
Flying from Helena (HLN) to Denver (DEN) heads south-east for about 955 km, a flight time of roughly 1h 37m.
Departures from Helena on this leg cluster in the overnight window: about 50% of HLN-DEN flights take off then.
Air-traffic congestion: departing Helena the average ATFM delay is 2.8 min (airspace/NAS (BTS)); arriving into Denver it is 2.0 min (atfm).
Across 240 tracked HLN-DEN flights, 86% left on time with an average delay of 20 min and a 1.7% 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) | 74% | 10 min | 6.9% |
Airlines operating HLN-DEN
Frequently asked questions about HLN-DEN
On the Helena (HLN) -> Denver (DEN) route, on-time performance is 86% with an average delay of 20 minutes, based on 240 tracked flights.
The cancellation rate on Helena-Denver is 1.67% across 240 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.
