Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Buffalo → Philadelphia via Dulles: arrives on time 55%
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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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55m layover in Dulles (IAD) · 45 min minimum on one ticket
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22:10 IAD → 23:20 PHLUA 3502 · United, flown by Republic · 1h 10m · 76% on time, 5.7% cancelled
Total trip 3h 28m, scheduled departure to arrival. Times are local. Both flew on 35 of the last 56 days.
Makes the connection81%The first flight arrived more than 10 minutes late on 19% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time55%First flight not cancelled (3.9% are) × connection made (81%) × second flight not cancelled (5.7% are) and within 15 minutes (76%).
Total trip3h 28mBUF 19:52 to PHL 23:20, 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.