Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Buffalo → Newark via Dulles: arrives on time 63%
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19:52 BUF → 21:15 IADUA 4270 · United, flown by CommuteAir · 1h 23m · 82% on time, 3.9% cancelled
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1h 14m layover in Dulles (IAD) · 45 min minimum on one ticket
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22:29 IAD → 23:59 EWRUA 1997 · United · 1h 30m · 78% on time, 3.4% cancelled
Total trip 4h 07m, scheduled departure to arrival. Times are local. Both flew on 47 of the last 56 days.
Makes the connection87%The first flight arrived more than 29 minutes late on 13% of the days it flew: too late for the 45-minute minimum connection on a 1h 14m layover.
Arrives on time63%First flight not cancelled (3.9% are) × connection made (87%) × second flight not cancelled (3.4% are) and within 15 minutes (78%).
Total trip4h 07mBUF 19:52 to EWR 23:59, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.