SAN (San Diego) to SFO (San Francisco) flights arrive on time 67% of the time. The most reliable airline on this route is United Airlines at 74%. The average delay is 60 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated April 2026.SAN → SFO
SAN (San Diego) to SFO (San Francisco)
SAN → SFO on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 67% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
United Airlines is significantly more reliable on this route at 74% on time vs Alaska Airlines at 53%.
Airline Comparison
United Airlines leads at 74% on time; Alaska Airlines trails at 53%.
Accurate?
Good to know
Departing from SAN
80% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. SAN has long runway queues.
TSA is currently ~13 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 ~12 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated April 2026. Source: Bureau of Transportation Statistics.