Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → St Louis via Philadelphia: arrives on time 87%
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22:35 SEA → 06:48 PHLAA 2522 · American · 5h 13m · 86% on time, 4.2% cancelled
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2h 12m layover in Philadelphia (PHL) · 45 min minimum on one ticket
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09:00 PHL → 10:36 STL +1 dayAA 2720 · American · 2h 35m · 92% on time, 0.0% cancelled
Total trip 10h 00m, scheduled departure to arrival (St Louis is 2 h ahead of Seattle). Times are local. Both flew on 48 of the last 56 days.
Makes the connection99%The first flight arrived more than 87 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 12m layover.
Arrives on time87%First flight not cancelled (4.2% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (92%).
Total trip10h 00mSEA 22:35 to STL 10:36, 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.