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

Portland → Denver via Atlanta: arrives on time 51%

  1. 18:59 PWM → 21:56 ATL
    DL 488 · Delta · 2h 58m · 68% on time, 4.4% cancelled
  2. 1h 03m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 22:59 ATL → 00:23 DEN +1 day
    DL 956 · Delta · 3h 23m · 77% on time, 2.3% cancelled

Total trip 7h 23m, scheduled departure to arrival (Denver is 2 h behind Portland). Times are local. Both flew on 54 of the last 56 days.

Makes the connection71%The first flight arrived more than 18 minutes late on 29% of the days it flew: too late for the 45-minute minimum connection on a 1h 03m layover.
Arrives on time51%First flight not cancelled (4.4% are) × connection made (71%) × second flight not cancelled (2.3% are) and within 15 minutes (77%).
Total trip7h 23mPWM 18:59 to DEN 00:23, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.