Flights San Diego → Denver
SAN → DEN
How long is the flight from San Diego to Denver?
The flight from San Diego (SAN) to Denver (DEN) takes 1h 47m on average. That is the median time recorded across 3 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
This flight route operates between San Diego and Denver, featuring an average on-time performance rate of 80%, with flights typically experiencing a mean delay of 10.2 minutes. The route is serviced by various aircraft models including the Airbus A319, Airbus A320, Boeing 737-800, Boeing 737-900, and Boeing 757-200, with a total of 1,505 flights recorded.
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 San Diego (SAN) → Denver (DEN) route is operated by Frontier Airlines, United Airlines, Southwest Airlines. Across 3599 flights monitored in recent months, 77% arrived on time (within 15 min of schedule), with an average delay of 12 minutes. The cancellation rate is 1.28%. FlightGuard's average computed risk is 19.7/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Denver the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from San Diego the average ATFM delay is 5.5 minutes.
Heading to Denver: what to expect in this direction
Flying from San Diego (SAN) to Denver (DEN) heads north-east for about 1,371 km, a flight time of roughly 1h 47m.
Departures from San Diego on this leg cluster in the overnight window: about 55% of SAN-DEN flights take off then.
Air-traffic congestion: departing San Diego the average ATFM delay is 5.5 min (atfm); arriving into Denver it is 5.5 min (atfm).
Across 3,599 tracked SAN-DEN flights, 77% left on time with an average delay of 12 min and a 1.3% 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% |
| Southwest Airlines (WN) | 75% | 5 min | 0.3% |
| Frontier Airlines (F9) | 74% | 11 min | 1.3% |
Airlines operating SAN-DEN
Airports
Frequently asked questions about SAN-DEN
The flight from San Diego (SAN) to Denver (DEN) takes 1h 47m on average. That is the median time recorded across 3 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the San Diego (SAN) -> Denver (DEN) route, on-time performance is 77% with an average delay of 12 minutes, based on 3599 tracked flights.
The cancellation rate on San Diego-Denver is 1.28% across 3599 monitored flights.
The route is operated by 3 airlines: Frontier Airlines, United Airlines, Southwest 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.
