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

Ontario → Portland via Denver: arrives on time 65%

  1. 10:50 ONT → 14:10 DEN
    F9 2908 · Frontier · 2h 21m · 77% on time, 0.6% cancelled
  2. 58m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 15:08 DEN → 16:51 PDX
    F9 2553 · Frontier · 2h 45m · 87% on time, 0.5% cancelled

Total trip 6h 03m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection76%The first flight arrived more than 13 minutes late on 24% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time65%First flight not cancelled (0.6% are) × connection made (76%) × second flight not cancelled (0.5% are) and within 15 minutes (87%).
Total trip6h 03mONT 10:50 to PDX 16:51, 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.