SAN (San Diego) to SFO (San Francisco) flights arrive on time 68% of the time. The most reliable airline on this route is United Airlines at 75%. The average delay is 59 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated October 2026.SAN → SFO
SAN (San Diego) to SFO (San Francisco)
SAN → SFO on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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This route is delayed fairly often. About 68% 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 75% on time vs Frontier Airlines at 52%.
Airline Comparison
United Airlines leads at 75% on time; Frontier Airlines trails at 52%.
Accurate?
Good to know
Departing from SAN
78% on timeExpect ~20 min sitting on the taxiway after your gate pushes back. SAN has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at SFO
76% 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?
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Flying out of SAN? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.