JFK (New York) to BOS (Boston) flights arrive on time 75% of the time. The most reliable airline on this route is Republic Airways at 80%. 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 July 2026.JFK → BOS
JFK (New York) to BOS (Boston)
JFK → BOS on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 75% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Republic Airways edges out Delta Air Lines on this route — 80% vs 68% on time.
Airline Comparison
Republic Airways leads at 80% on time; Delta Air Lines trails at 68%.
Accurate?
Good to know
Departing from JFK
78% on timeExpect ~23 min sitting on the taxiway after your gate pushes back. JFK has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
JFK 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 ~5 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 JFK? 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.