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

Portland → Chicago via Atlanta: arrives on time 80%

  1. 22:55 PDX → 06:27 ATL
    DL 564 · Delta · 4h 43m · 76% on time, 1.8% cancelled
  2. 2h 42m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 09:09 ATL → 10:09 MDW +1 day
    DL 1063 · Delta · 2h 00m · 88% on time, 3.0% cancelled

Total trip 9h 14m, scheduled departure to arrival (Chicago is 2 h ahead of Portland). Times are local. Both flew on 54 of the last 56 days.

Makes the connection96%The first flight arrived more than 117 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 2h 42m layover.
Arrives on time80%First flight not cancelled (1.8% are) × connection made (96%) × second flight not cancelled (3.0% are) and within 15 minutes (88%).
Total trip9h 14mPDX 22:55 to MDW 10:09, 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.