BWI (Baltimore) to SJC (San Jose) flights arrive on time 69% of the time. The most reliable airline on this route is Spirit Airlines at 84%. The average delay is 58 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated August 2026.BWI → SJC
BWI (Baltimore) to SJC (San Jose)
BWI → SJC on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 69% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Spirit Airlines is significantly more reliable on this route at 84% on time vs Southwest Airlines at 65%.
Airline Comparison
Spirit Airlines leads at 84% on time; Southwest Airlines trails at 65%.
Accurate?
Good to know
Departing from BWI
80% on timeTSA 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 Spirit Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of BWI? 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.