SJU (San Juan) to BWI (Baltimore) flights arrive on time 79% of the time. The most reliable airline on this route is Southwest Airlines at 82%. The average delay is 65 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated October 2026.SJU → BWI
SJU (San Juan) to BWI (Baltimore)
SJU → BWI on-time performance by month
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This route is on time most of the time. About 79% 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 82% on time vs Frontier Airlines at 66%.
Airline Comparison
Southwest Airlines leads at 82% on time; Frontier Airlines trails at 66%.
Accurate?
Good to know
Departing from SJU
75% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. SJU has long runway queues.
TSA is currently ~7 min. Best time: 4 AM (about 7 min).
Arriving at BWI
79% on timeWhen flights into BWI are late, the average delay is 60 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 SJU? 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 October 2026. Source: Bureau of Transportation Statistics.