SAT → DENSan Antonio to Denver

live

Direct flights from San Antonio (SAT) to Denver (DEN): 21 nonstop departures observed each week across 3 airlines. 100% of the last 8 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 8 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 San Antonio and Denver. Updated 16 September 2026 at 09:53 UTC.

SAT San Antonio smooth · +0
DEN Denver smooth · +5
1,280 km · ~2h 08m est.
dep bank 00:30–15:2021x weekly
Runs reliable · 3 airlines · 21x weekly · nonstop
100% on time

of the last 8 operated SAT → DEN flights arrived within 15 minutes

Median arrival delay is −1 min. 0 of 8 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−1 minacross the last 8 operated legs
Flight time~2h 08mestimated from route distance
Weekly departures21x3 direct airlines on the leg

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 F92355 15:20 daily

Southwest AirlinesWN

Flights WN3487 varies Mo Tu We Th Fr · WN375 02:05 Sa · WN3488 04:30 Mo Th Fr Sa Su · WN800 08:10 Sa

History

operated legs · board outcomes
09-15F92355arrived+0
09-15UA1007arrived−10
09-15UA2479arrived+15
09-15UA2853arrived−2
09-15UA5490arrived−16
09-15WN3487arrived−13
09-15WN4646arrived−1
09-15WN966arrived+15

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
SATSan Antonio +0 min smooth ⛅ mostly cloudy · S 9 kt Full SAT delay board →
DENDenver +5 min smooth 🌤 mostly cloudy · W 9 kt Full DEN delay board →

Weather lens

Current conditions put the pressure at DEN: 35% odds of a 15+ minute delay and around +10 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the San Antonio to Denver route actually runs

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

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

SAT to DEN questions

Is SAT–DEN running on time right now?

Smooth skies ahead. The arrival 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 SAT–DEN?

Operators schedule morning departures around 00:30 from SAT. Earlier flights typically land before destination-airport delays accumulate later in the day; check the DEN delay card to confirm conditions when you'd arrive.

How long is the flight from SAT to DEN?

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 SAT–DEN fly?

3 carriers operate this route, around 59 flights a week between them. Compare carrier days and times in the airline list above.