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

St Louis → Portland via Detroit: arrives on time 55%

  1. 13:54 STL → 16:30 DTW
    DL 1371 · Delta · 1h 36m · 77% on time, 3.0% cancelled
  2. 3h 34m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 20:04 DTW → 21:50 PDX
    DL 913 · Delta · 4h 45m · 60% on time, 1.8% cancelled

Total trip 9h 55m, scheduled departure to arrival (Portland is 2 h behind St Louis). Times are local. Both flew on 27 of the last 56 days.

Makes the connection95%The first flight arrived more than 169 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 3h 34m layover.
Arrives on time55%First flight not cancelled (3.0% are) × connection made (95%) × second flight not cancelled (1.8% are) and within 15 minutes (60%).
Total trip9h 55mSTL 13:54 to PDX 21:50, 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.