BOS (Boston) to BUF (Buffalo) flights arrive on time 78% of the time. The most reliable airline on this route is Republic Airways at 83%. The average delay is 69 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.BOS → BUF
BOS (Boston) to BUF (Buffalo)
BOS → BUF on-time performance by month
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This route is on time most of the time. About 78% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Republic Airways edges out JetBlue Airways on this route — 83% vs 77% on time.
Airline Comparison
Republic Airways leads at 83% on time; JetBlue Airways trails at 77%.
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 ~5 min. Best time: 4 AM (about 5 min).
Arriving at BUF
77% on timeWhen flights into BUF are late, the average delay is 72 minutes. Build buffer if you have ground plans.
If connecting at BUF: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
BUF has a 2.1% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what Republic Airways 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 August 2026. Source: Bureau of Transportation Statistics.