Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → Philadelphia via Dulles: arrives on time 67%
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13:00 SEA → 21:06 IADUA 2131 · United · 5h 06m · 93% on time, 0.0% cancelled
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1h 04m 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 7h 20m, scheduled departure to arrival (Philadelphia is 3 h ahead of Seattle). Times are local. Both flew on 35 of the last 56 days.
Makes the connection93%The first flight arrived more than 19 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time67%First flight not cancelled (0.0% are) × connection made (93%) × second flight not cancelled (5.7% are) and within 15 minutes (76%).
Total trip7h 20mSEA 13:00 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.