Direct flights from Denver (DEN) to San Antonio (SAT): 21 nonstop departures observed each week across 3 airlines. 92% of the last 12 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 12 tracked flights. The nonstop covers 1,280 km, an estimated 2 hours 8 minutes in the air. Measured by Pro Flight Search from live flight boards at Denver and San Antonio. Updated 10 September 2026 at 22:53 UTC.
DENDenversmooth · +6
SATSan Antoniosmooth · +0
1,280 km · ~2h 08m est.
dep bank 07:50–20:3521x weekly
Runs reliable · 3 airlines · 21x weekly · nonstop
92% on time
of the last 12 operated DEN → SAT flights arrived within 15 minutes
Pro Flight Search records official board updates for nonstop DEN to SAT flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Smooth skies ahead. The departure side at DEN is the weaker end, route health score 95/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on DEN–SAT?
Operators schedule morning departures around 09:35 and evening departures around 17:40 from DEN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SAT delay card to confirm conditions when you'd arrive.
How long is the flight from DEN to SAT?
Great-circle distance is 1,280 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 120–140 min gate-to-gate on this route.
How often does DEN–SAT fly?
3 carriers operate this route, around 64 flights a week between them. Compare carrier days and times in the airline list above.