tailodds FORECAST
Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

St Louis → Seattle via Detroit: arrives on time 74%

  1. 06:30 STL → 09:04 DTW
    DL 1626 · Delta · 1h 34m · 92% on time, 2.3% cancelled
  2. 3h 27m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 12:31 DTW → 14:30 SEA
    DL 728 · Delta · 4h 59m · 78% on time, 0.8% cancelled

Total trip 10h 00m, 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 connection97%The first flight arrived more than 162 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 27m layover.
Arrives on time74%First flight not cancelled (2.3% are) × connection made (97%) × second flight not cancelled (0.8% are) and within 15 minutes (78%).
Total trip10h 00mSTL 06:30 to SEA 14:30, 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.