Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Seattle via Charlotte: arrives on time 69%
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05:10 STL → 08:03 CLTAA 858 · American · 1h 53m · 94% on time, 1.2% cancelled
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1h 17m layover in Charlotte (CLT) · 45 min minimum on one ticket
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09:20 CLT → 12:07 SEAAA 2529 · American · 5h 42m · 72% on time, 0.0% cancelled
Total trip 8h 52m, scheduled departure to arrival (Seattle is 2 h behind St Louis). Times are local. Both flew on 54 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 time69%First flight not cancelled (1.2% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (72%).
Total trip8h 52mSTL 05:10 to SEA 12:07, 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.