DEN → SATDenver to San Antonio

live

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.

DEN Denver smooth · +6
SAT San Antonio smooth · +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

Median arrival delay is +2 min. 0 of 12 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+2 minacross the last 12 operated legs
Flight time~2h 08mestimated from route distance
Weekly departures21x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 12

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Frontier AirlinesSouthwest AirlinesUnited Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Frontier AirlinesF9

Flights F92356 16:13 daily

Southwest AirlinesWN80% on time

Flights WN2539 07:50 Tu We · WN4884 07:50 Mo Th Fr · WN1661 varies daily · WN1663 varies daily

United AirlinesUA100% on time

Flights UA2625 09:35 daily · UA1022 13:45 daily · UA2819 17:40 daily · UA4741 20:35 daily

History

operated legs · board outcomes
09-10UA1022departed+2
09-10UA2625departed+6
09-10WN1661departed+7
09-10WN1663departed+2
09-09F92356dep −7 → arr+9
09-09UA1022departed−3
09-09UA2625departed−2
09-09UA2819departed−2
09-09UA4741departed−7
09-09WN1661departed+7
09-09WN1663departed+66
09-09WN4035dep −2 → arr−31

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
DENDenver +6 min smooth Full DEN delay board →
SATSan Antonio +0 min smooth Full SAT delay board →

Weather lens

Current conditions put the pressure at DEN and SAT: 42% odds of a 15+ minute delay, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Denver to San Antonio route actually runs

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.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Denver (DEN) to San Antonio (SAT) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/DEN-SAT
How we measure this →

DEN to SAT questions

Is DEN–SAT running on time right now?

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.