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

Portland → Detroit via Chicago: arrives on time 46%

  1. 06:00 PDX → 11:50 MDW
    WN 1148 · Southwest · 3h 50m · 85% on time, 0.0% cancelled
  2. 1h 20m layover in Chicago (MDW) · 45 min minimum on one ticket
  3. 13:10 MDW → 15:20 DTW
    WN 4450 · Southwest · 1h 10m · 52% on time, 2.9% cancelled

Total trip 6h 20m, scheduled departure to arrival (Detroit is 3 h ahead of Portland). Times are local. Both flew on 24 of the last 56 days.

Makes the connection92%The first flight arrived more than 35 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 1h 20m layover.
Arrives on time46%First flight not cancelled (0.0% are) × connection made (92%) × second flight not cancelled (2.9% are) and within 15 minutes (52%).
Total trip6h 20mPDX 06:00 to DTW 15:20, 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.