Flights Billings → Denver
BIL → DEN
Route overview
The flight route from Billings to Denver is served by a mix of Airbus A320 and Boeing 737 series aircraft, with an overall on-time performance rate of 87%. Over the past year, this route has seen 362 flights with an average delay time of just five minutes. The destination airport in Denver, which opened in 1989, handles a significant number of passengers annually at 82,358,744, making it one of the busiest airports in the region.
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 Billings (BIL) → Denver (DEN) route is operated by United Airlines. Across 455 flights monitored in recent months, 85% arrived on time (within 15 min of schedule), with an average delay of 10 minutes. The cancellation rate is 1.54%. FlightGuard's average computed risk is 23.7/100 (medium), 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 Billings the average ATFM delay is 1.7 minutes.
Heading to Denver: what to expect in this direction
Flying from Billings (BIL) to Denver (DEN) heads south-east for about 733 km, a flight time of roughly 1h 20m.
Departures from Billings on this leg cluster in the overnight window: about 47% of BIL-DEN flights take off then.
Air-traffic congestion: departing Billings the average ATFM delay is 1.7 min (airspace/NAS (BTS)); arriving into Denver it is 2.0 min (atfm).
Across 455 tracked BIL-DEN flights, 85% left on time with an average delay of 10 min and a 1.5% 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 BIL-DEN
Airports
Frequently asked questions about BIL-DEN
On the Billings (BIL) -> Denver (DEN) route, on-time performance is 85% with an average delay of 10 minutes, based on 455 tracked flights.
The cancellation rate on Billings-Denver is 1.54% across 455 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.
