Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Philadelphia → Seattle via Dulles: arrives on time 74%
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10:39 PHL → 11:55 IADUA 6235 · United, flown by Mesa · 1h 16m · 86% on time, 3.4% cancelled
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1h 15m layover in Dulles (IAD) · 45 min minimum on one ticket
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13:10 IAD → 15:55 SEAUA 2241 · United · 5h 45m · 86% on time, 0.0% cancelled
Total trip 8h 16m, scheduled departure to arrival (Seattle is 3 h behind Philadelphia). Times are local. Both flew on 47 of the last 56 days.
Makes the connection89%The first flight arrived more than 30 minutes late on 11% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time74%First flight not cancelled (3.4% are) × connection made (89%) × second flight not cancelled (0.0% are) and within 15 minutes (86%).
Total trip8h 16mPHL 10:39 to SEA 15:55, 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.