Flights Denver → Aspen
DEN → ASE
Route overview
The flight route from Denver to Aspen operates with an aircraft fleet consisting of Canadair Regional Jet 700s and has a high on-time performance rate of 81%. Over the past year, it has recorded an average delay time of 16.7 minutes across 782 total flights.
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) → Aspen (ASE) route is operated by United Airlines. Across 1028 flights monitored in recent months, 79% arrived on time (within 15 min of schedule), with an average delay of 18 minutes. The cancellation rate is 8.46%. FlightGuard's average computed risk is 33.2/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Aspen the average ATFM delay is 6.3 minutes (main cause: airspace/NAS (BTS)). Departing from Denver the average ATFM delay is 2.0 minutes.
Heading to Aspen: what to expect in this direction
Flying from Denver (DEN) to Aspen (ASE) heads west for about 201 km, a flight time of roughly 40m.
Departures from Denver on this leg cluster in the morning window: about 46% of DEN-ASE flights take off then.
Air-traffic congestion: departing Denver the average ATFM delay is 2.0 min (atfm); arriving into Aspen it is 6.3 min (airspace/NAS (BTS)).
Across 1,028 tracked DEN-ASE flights, 79% left on time with an average delay of 18 min and a 8.5% 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 DEN-ASE
Airports
Frequently asked questions about DEN-ASE
On the Denver (DEN) -> Aspen (ASE) route, on-time performance is 79% with an average delay of 18 minutes, based on 1028 tracked flights.
The cancellation rate on Denver-Aspen is 8.46% across 1028 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 Aspen, 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.
