SAT (San Antonio) to SFO (San Francisco) flights arrive on time 84% of the time. The most reliable airline on this route is United Airlines at 88%. The average delay is 89 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 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 on time most of the time. About 84% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
United Airlines edges out SkyWest Airlines on this route — 88% vs 76% on time.
Airline Comparison
United Airlines leads at 88% on time; SkyWest Airlines trails at 76%.
Accurate?
Good to know
Departing from SAT
81% on timeTSA is currently ~27 min. Best time: 4 AM (about 5 min).
Arriving at SFO
80% on timeWhen flights into SFO are late, the average delay is 67 minutes. Build buffer if you have ground plans.
If connecting at SFO: TSA is ~14 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.