SAN (San Diego) to BWI (Baltimore) flights arrive on time 81% of the time. The most reliable airline on this route is Southwest Airlines at 82%. The average delay is 49 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated May 2026.SAN → BWI
SAN (San Diego) to BWI (Baltimore)
SAN → BWI on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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This route is on time most of the time. About 81% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Southwest Airlines edges out Spirit Airlines on this route — 82% vs 69% on time.
Airline Comparison
Southwest Airlines leads at 82% on time; Spirit Airlines trails at 69%.
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 ~12 min. Best time: 4 AM (about 5 min).
Arriving at BWI
78% on timeWhen flights into BWI are late, the average delay is 58 minutes. Build buffer if you have ground plans.
If connecting at BWI: TSA is ~23 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.