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

Ontario → Washington via Denver: arrives on time 63%

  1. 10:50 ONT → 14:10 DEN
    F9 2908 · Frontier · 2h 21m · 77% on time, 0.6% cancelled
  2. 2h 17m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 16:27 DEN → 21:59 DCA
    F9 690 · Frontier · 3h 31m · 67% on time, 0.3% cancelled

Total trip 8h 08m, scheduled departure to arrival (Washington is 3 h ahead of Ontario). Times are local. Both flew on 55 of the last 56 days.

Makes the connection95%The first flight arrived more than 92 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 17m layover.
Arrives on time63%First flight not cancelled (0.6% are) × connection made (95%) × second flight not cancelled (0.3% are) and within 15 minutes (67%).
Total trip8h 08mONT 10:50 to DCA 21:59, 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.