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

Chicago → Portland via Minneapolis: arrives on time 69%

  1. 13:49 MDW → 15:33 MSP
    DL 4820 · Delta, flown by Endeavor · 1h 44m · 68% on time, 3.6% cancelled
  2. 3h 01m layover in Minneapolis (MSP) · 45 min minimum on one ticket
  3. 18:34 MSP → 20:17 PDX
    DL 2151 · Delta · 3h 43m · 79% on time, 0.6% cancelled

Total trip 8h 28m, scheduled departure to arrival (Portland is 2 h behind Chicago). Times are local. Both flew on 55 of the last 56 days.

Makes the connection91%The first flight arrived more than 136 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 3h 01m layover.
Arrives on time69%First flight not cancelled (3.6% are) × connection made (91%) × second flight not cancelled (0.6% are) and within 15 minutes (79%).
Total trip8h 28mMDW 13:49 to PDX 20:17, 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.