BOS (Boston) to SAN (San Diego) flights arrive on time 79% of the time. The most reliable airline on this route is JetBlue Airways at 84%. The average delay is 54 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated March 2026.BOS → SAN
BOS (Boston) to SAN (San Diego)
BOS → SAN on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
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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 air traffic and busy airspace.
Accurate?
JetBlue Airways edges out Delta Air Lines on this route — 84% vs 72% on time.
Airline Comparison
JetBlue Airways leads at 84% on time; Delta Air Lines trails at 72%.
Accurate?
Good to know
Departing from BOS
79% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. BOS has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at SAN
80% on timeWhen flights into SAN are late, the average delay is 60 minutes. Build buffer if you have ground plans.
If connecting at SAN: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.