SAN (San Diego) to BWI (Baltimore) flights arrive on time 80% of the time. The most reliable airline on this route is Southwest Airlines at 81%. The average delay is 52 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.SAN → BWI
SAN (San Diego) to BWI (Baltimore)
SAN → BWI on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is on time most of the time. About 80% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Southwest Airlines is significantly more reliable on this route at 81% on time vs Spirit Airlines at 64%.
Airline Comparison
Southwest Airlines leads at 81% on time; Spirit Airlines trails at 64%.
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 BWI
80% on timeWhen flights into BWI are late, the average delay is 61 minutes. Build buffer if you have ground plans.
If connecting at BWI: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Southwest 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.