Flights Denver → Boston
DEN → BOS
How long is the flight from Denver to Boston?
The flight from Denver (DEN) to Boston (BOS) takes 3h 25m on average. That is the median time recorded across 7 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 Boston operates with a mix of aircraft including Airbus A320, Boeing 737-900, Boeing 757-200, and Boeing 737-800. With 852 total flights recorded, the route has a punctuality rate of 73%, experiencing an average delay of 15.5 minutes per flight.
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) → Boston (BOS) route is operated by JetBlue Airways, United Airlines, Southwest Airlines. Across 2311 flights monitored in recent months, 68% arrived on time (within 15 min of schedule), with an average delay of 21 minutes. The cancellation rate is 2.42%. FlightGuard's average computed risk is 27.2/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Boston the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Denver the average ATFM delay is 5.5 minutes.
Heading to Boston: what to expect in this direction
Flying from Denver (DEN) to Boston (BOS) heads east for about 2,816 km, a flight time of roughly 3h 25m.
Departures from Denver on this leg cluster in the overnight window: about 39% of DEN-BOS flights take off then.
Air-traffic congestion: departing Denver the average ATFM delay is 5.5 min (atfm); arriving into Boston it is 5.5 min (atfm).
Across 2,311 tracked DEN-BOS flights, 68% left on time with an average delay of 21 min and a 2.4% 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% |
| JetBlue Airways (B6) | 79% | 7 min | 0.1% |
| Southwest Airlines (WN) | 75% | 5 min | 0.3% |
Airlines operating DEN-BOS
Airports
Frequently asked questions about DEN-BOS
The flight from Denver (DEN) to Boston (BOS) takes 3h 25m on average. That is the median time recorded across 7 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Denver (DEN) -> Boston (BOS) route, on-time performance is 68% with an average delay of 21 minutes, based on 2311 tracked flights.
The cancellation rate on Denver-Boston is 2.42% across 2311 monitored flights.
The route is operated by 3 airlines: JetBlue Airways, United Airlines, Southwest Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Boston, 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.
