SAN (San Diego) to SJC (San Jose) flights arrive on time 78% of the time. The most reliable airline on this route is SkyWest Airlines at 79%. The average delay is 55 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.SAN → SJC
SAN (San Diego) to SJC (San Jose)
SAN → SJC on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is on time most of the time. About 78% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Airlines are roughly equal on this route — SkyWest Airlines leads slightly at 79% vs Alaska Airlines at 78%.
Airline Comparison
SkyWest Airlines leads at 79% on time; Alaska Airlines trails at 78%.
Accurate?
Good to know
Departing from SAN
77% 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 SJC
84% on timeWhen flights into SJC are late, the average delay is 56 minutes. Build buffer if you have ground plans.
If connecting at SJC: 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 SAN? 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.