LAX (Los Angeles) to PHL (Philadelphia) flights arrive on time 80% of the time. The most reliable airline on this route is Spirit Airlines at 88%. The average delay is 77 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated April 2026.LAX → PHL
LAX (Los Angeles) to PHL (Philadelphia)
LAX → PHL on-time performance by month
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.
Spirit Airlines is significantly more reliable on this route at 88% on time vs Frontier Airlines at 40%.
Airline Comparison
Spirit Airlines leads at 88% on time; Frontier Airlines trails at 40%.
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 ~22 min. Best time: 4 AM (about 5 min).
Arriving at PHL
79% on timeWhen flights into PHL are late, the average delay is 79 minutes. Build buffer if you have ground plans.
If connecting at PHL: TSA is ~27 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.