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

Denver → Portland via Philadelphia: arrives on time 81%

  1. 23:55 DEN → 05:32 PHL
    AA 2500 · American · 3h 37m · 78% on time, 3.3% cancelled
  2. 3h 18m layover in Philadelphia (PHL) · 45 min minimum on one ticket
  3. 08:50 PHL → 10:31 PWM +1 day
    AA 6124 · American, flown by Piedmont · 1h 41m · 91% on time, 1.7% cancelled

Total trip 8h 36m, scheduled departure to arrival (Portland is 2 h ahead of Denver). Times are local. Both flew on 47 of the last 56 days.

Makes the connection93%The first flight arrived more than 153 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 3h 18m layover.
Arrives on time81%First flight not cancelled (3.3% are) × connection made (93%) × second flight not cancelled (1.7% are) and within 15 minutes (91%).
Total trip8h 36mDEN 23:55 to PWM 10:31, 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.