BOS (Boston) to JFK (New York) flights arrive on time 77% of the time. The most reliable airline on this route is Delta Air Lines at 89%. The average delay is 71 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated July 2026.BOS → JFK
BOS (Boston) to JFK (New York)
BOS → JFK on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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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 air traffic and busy airspace.
Accurate?
Delta Air Lines edges out JetBlue Airways on this route — 89% vs 75% on time.
Airline Comparison
Delta Air Lines leads at 89% on time; JetBlue Airways trails at 75%.
Accurate?
Good to know
Departing from BOS
77% on timeExpect ~21 min sitting on the taxiway after your gate pushes back. BOS has long runway queues.
TSA is currently ~9 min. Best time: 4 AM (about 5 min).
Arriving at JFK
78% on timeWhen flights into JFK are late, the average delay is 78 minutes. Build buffer if you have ground plans.
If connecting at JFK: TSA is ~25 min right now. Allow at least 60 minutes for a domestic connection.
JFK has a 2.4% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what Delta Air Lines owes you — refund rights, action plan, complaint email. Free.
Flying out of BOS? 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.