PHL (Philadelphia) to BOS (Boston) flights arrive on time 77% of the time. The most reliable airline on this route is Republic Airways at 81%. The average delay is 78 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated July 2026.PHL → BOS
PHL (Philadelphia) to BOS (Boston)
PHL → BOS on-time performance by month
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This route is on time most of the time. About 77% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Republic Airways edges out American Airlines on this route — 81% vs 74% on time.
Airline Comparison
Republic Airways leads at 81% on time; American Airlines trails at 74%.
Accurate?
Good to know
Departing from PHL
77% on timeExpect ~20 min sitting on the taxiway after your gate pushes back. PHL has long runway queues.
TSA is currently ~19 min. Best time: 4 AM (about 5 min).
PHL cancels 2.4% of flights — higher than average. Have a backup plan.
Arriving at BOS
77% 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 ~9 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Republic Airways owes you — refund rights, action plan, complaint email. Free.
Flying out of PHL? 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 July 2026. Source: Bureau of Transportation Statistics.