Flights Denver → San Antonio
DEN → SAT
How long is the flight from Denver to San Antonio?
The flight from Denver (DEN) to San Antonio (SAT) takes 1h 45m 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
The flight route from Denver to San Antonio operates with an average on-time performance of 77%, featuring a mean delay of 11.4 minutes per flight. Over the past year, there have been 742 flights on this route using either Airbus A319 or Boeing 737-300 aircraft, connecting the Denver airport, which opened in 1989, with San Antonio International Airport, established in 1942 and serving over nine 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 Denver (DEN) → San Antonio (SAT) route is operated by United Airlines, Southwest Airlines. Across 1888 flights monitored in recent months, 73% arrived on time (within 15 min of schedule), with an average delay of 16 minutes. The cancellation rate is 1.06%. FlightGuard's average computed risk is 25.4/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At San Antonio the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Denver the average ATFM delay is 5.5 minutes.
Heading to San Antonio: what to expect in this direction
Flying from Denver (DEN) to San Antonio (SAT) heads south-east for about 1,280 km, a flight time of roughly 1h 45m.
Departures from Denver on this leg cluster in the morning window: about 49% of DEN-SAT flights take off then.
Air-traffic congestion: departing Denver the average ATFM delay is 5.5 min (atfm); arriving into San Antonio it is 5.5 min (atfm).
Across 1,888 tracked DEN-SAT flights, 73% left on time with an average delay of 16 min and a 1.1% cancellation rate.
Route facts
Flights on this route
Check the risk of a specific flight.
Flexible on this trip? Compare flights
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% |
Airlines operating DEN-SAT
Airports
Frequently asked questions about DEN-SAT
The flight from Denver (DEN) to San Antonio (SAT) takes 1h 45m 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 Denver (DEN) -> San Antonio (SAT) route, on-time performance is 73% with an average delay of 16 minutes, based on 1888 tracked flights.
The cancellation rate on Denver-San Antonio is 1.06% across 1888 monitored flights.
The route is operated by 2 airlines: United Airlines, Southwest Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at San Antonio, 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.
