Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Seattle via Salt Lake City: arrives on time 84%
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08:00 STL → 10:12 SLCDL 2363 · Delta · 3h 12m · 91% on time, 0.8% cancelled
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1h 23m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
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11:35 SLC → 12:52 SEADL 2995 · Delta · 2h 17m · 89% on time, 0.5% cancelled
Total trip 6h 52m, scheduled departure to arrival (Seattle is 2 h behind St Louis). Times are local. Both flew on 56 of the last 56 days.
Makes the connection96%The first flight arrived more than 38 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 23m layover.
Arrives on time84%First flight not cancelled (0.8% are) × connection made (96%) × second flight not cancelled (0.5% are) and within 15 minutes (89%).
Total trip6h 52mSTL 08:00 to SEA 12:52, 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.