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

Portland → Chicago via Denver: arrives on time 81%

  1. 05:00 PDX → 08:31 DEN
    UA 459 · United · 2h 31m · 97% on time, 0.3% cancelled
  2. 1h 04m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 09:35 DEN → 13:15 ORD
    UA 2329 · United · 2h 40m · 84% on time, 0.8% cancelled

Total trip 6h 15m, scheduled departure to arrival (Chicago is 2 h ahead of Portland). Times are local. Both flew on 56 of the last 56 days.

Makes the connection97%The first flight arrived more than 19 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time81%First flight not cancelled (0.3% are) × connection made (97%) × second flight not cancelled (0.8% are) and within 15 minutes (84%).
Total trip6h 15mPDX 05:00 to ORD 13:15, 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.