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

Ontario → Washington via Denver: arrives on time 74%

  1. 06:00 ONT → 09:24 DEN
    F9 1500 · Frontier · 2h 24m · 90% on time, 0.3% cancelled
  2. 2h 02m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 11:26 DEN → 16:59 DCA
    F9 688 · Frontier · 3h 32m · 78% on time, 1.3% cancelled

Total trip 7h 58m, scheduled departure to arrival (Washington is 3 h ahead of Ontario). Times are local. Both flew on 46 of the last 56 days.

Makes the connection97%The first flight arrived more than 77 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 2h 02m layover.
Arrives on time74%First flight not cancelled (0.3% are) × connection made (97%) × second flight not cancelled (1.3% are) and within 15 minutes (78%).
Total trip7h 58mONT 06:00 to DCA 16:59, 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.