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

Chicago → Portland via Detroit: arrives on time 84%

  1. 09:17 MDW → 11:35 DTW
    DL 4674 · Delta, flown by Endeavor · 1h 18m · 84% on time, 0.0% cancelled
  2. 2h 25m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 14:00 DTW → 15:55 PWM
    DL 1821 · Delta · 1h 55m · 89% on time, 1.8% cancelled

Total trip 5h 38m, scheduled departure to arrival (Portland is 1 h ahead of Chicago). Times are local. Both flew on 55 of the last 56 days.

Makes the connection96%The first flight arrived more than 100 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 2h 25m layover.
Arrives on time84%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (1.8% are) and within 15 minutes (89%).
Total trip5h 38mMDW 09:17 to PWM 15:55, 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.