BUF (Buffalo) to RDU (Raleigh) flights arrive on time 84% of the time. The most reliable airline on this route is Frontier Airlines at 84%. The average delay is 55 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.BUF → RDU
BUF (Buffalo) to RDU (Raleigh)
BUF → RDU on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 84% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Accurate?
Good to know
Departing from BUF
77% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. BUF has long runway queues.
TSA is currently ~30 min. Best time: 4 AM (about 5 min).
BUF cancels 2.1% of flights — higher than average. Have a backup plan.
Arriving at RDU
79% on timeWhen flights into RDU are late, the average delay is 73 minutes. Build buffer if you have ground plans.
If connecting at RDU: TSA is ~28 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Frontier Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of BUF? 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.