Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Buffalo → Dulles via Philadelphia: arrives on time 82%
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05:20 BUF → 06:46 PHLAA 5873 · American, flown by Piedmont · 1h 26m · 95% on time, 0.0% cancelled
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3h 53m layover in Philadelphia (PHL) · 90 min minimum on separate tickets
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10:39 PHL → 11:55 IADUA 6235 · United, flown by Mesa · 1h 16m · 86% on time, 3.4% cancelled
Total trip 6h 35m, scheduled departure to arrival. Times are local. Both flew on 39 of the last 56 days.
Makes the connection98%The first flight arrived more than 143 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 53m layover.
Arrives on time82%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (3.4% are) and within 15 minutes (86%).
Total trip6h 35mBUF 05:20 to IAD 11:55, 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.