Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Philadelphia → Seattle via San Francisco: arrives on time 45%
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06:00 PHL → 08:58 SFOUA 2661 · United · 5h 58m · 92% on time, 0.0% cancelled
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1h 17m layover in San Francisco (SFO) · 45 min minimum on one ticket
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10:15 SFO → 12:34 SEAUA 2192 · United · 2h 19m · 47% on time, 1.7% cancelled
Total trip 9h 34m, scheduled departure to arrival (Seattle is 3 h behind Philadelphia). Times are local. Both flew on 49 of the last 56 days.
Makes the connection96%The first flight arrived more than 32 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 17m layover.
Arrives on time45%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (1.7% are) and within 15 minutes (47%).
Total trip9h 34mPHL 06:00 to SEA 12:34, 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.