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

Chicago → Portland via Atlanta: arrives on time 69%

  1. 12:50 MDW → 15:49 ATL
    DL 2417 · Delta · 2h 02m · 86% on time, 3.4% cancelled
  2. 3h 51m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 19:40 ATL → 21:45 PDX
    DL 357 · Delta · 5h 05m · 74% on time, 1.8% cancelled

Total trip 10h 55m, scheduled departure to arrival (Portland is 2 h behind Chicago). Times are local. Both flew on 55 of the last 56 days.

Makes the connection98%The first flight arrived more than 186 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 3h 51m layover.
Arrives on time69%First flight not cancelled (3.4% are) × connection made (98%) × second flight not cancelled (1.8% are) and within 15 minutes (74%).
Total trip10h 55mMDW 12:50 to PDX 21:45, 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.