JFK (New York) to BOS (Boston) flights arrive on time 76% of the time. The most reliable airline on this route is Republic Airways at 81%. The average delay is 79 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated April 2026.JFK → BOS
JFK (New York) to BOS (Boston)
JFK → BOS on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is on time most of the time. About 76% 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 — 81% vs 70% on time.
Airline Comparison
Republic Airways leads at 81% on time; Delta Air Lines trails at 70%.
Accurate?
Good to know
Departing from JFK
78% on timeExpect ~22 min sitting on the taxiway after your gate pushes back. JFK has long runway queues.
TSA is currently ~25 min. Best time: 4 AM (about 5 min).
JFK cancels 2.3% of flights — higher than average. Have a backup plan.
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.
Flight cancelled or delayed?
Check what Republic Airways owes you — refund rights, action plan, complaint email. Free.
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Data last updated April 2026. Source: Bureau of Transportation Statistics.