Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → St Louis via Chicago: arrives on time 88%
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23:56 SEA → 06:02 ORDAA 2881 · American · 4h 06m · 94% on time, 2.8% cancelled
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1h 03m layover in Chicago (ORD) · 45 min minimum on one ticket
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07:05 ORD → 08:31 STL +1 dayAA 4104 · American, flown by Envoy · 1h 27m · 96% on time, 0.0% cancelled
Total trip 6h 36m, scheduled departure to arrival (St Louis is 2 h ahead of Seattle). Times are local. Both flew on 55 of the last 56 days.
Makes the connection94%The first flight arrived more than 18 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 03m layover.
Arrives on time88%First flight not cancelled (2.8% are) × connection made (94%) × second flight not cancelled (0.0% are) and within 15 minutes (96%).
Total trip6h 36mSEA 23:56 to STL 08:31, 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.