LAX (Los Angeles) to BOS (Boston) flights arrive on time 82% of the time. The most reliable airline on this route is United Airlines at 87%. The average delay is 75 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated April 2026.LAX → BOS
LAX (Los Angeles) to BOS (Boston)
LAX → BOS on-time performance by month
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This route is on time most of the time. About 82% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
United Airlines is significantly more reliable on this route at 87% on time vs Spirit Airlines at 72%.
Airline Comparison
United Airlines leads at 87% on time; Spirit Airlines trails at 72%.
Accurate?
Good to know
Departing from LAX
82% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. LAX has long runway queues.
TSA is currently ~21 min. Best time: 4 AM (about 5 min).
Arriving at BOS
79% on timeWhen flights into BOS are late, the average delay is 74 minutes. Build buffer if you have ground plans.
If connecting at BOS: TSA is ~20 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated April 2026. Source: Bureau of Transportation Statistics.