SAT (San Antonio) to SFO (San Francisco) flights arrive on time 88% of the time. The most reliable airline on this route is SkyWest Airlines at 87%. The average delay is 102 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated August 2026.SAT → SFO
SAT (San Antonio) to SFO (San Francisco)
SAT → SFO on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is usually on time. About 88% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Airlines are roughly equal on this route — SkyWest Airlines leads slightly at 87% vs United Airlines at 86%.
Airline Comparison
SkyWest Airlines leads at 87% on time; United Airlines trails at 86%.
Accurate?
Good to know
Departing from SAT
81% on timeTSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at SFO
78% on timeWhen flights into SFO are late, the average delay is 69 minutes. Build buffer if you have ground plans.
If connecting at SFO: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what SkyWest Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of SAT? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated August 2026. Source: Bureau of Transportation Statistics.