tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Ontario → Washington via Denver: arrives on time 77%

  1. 05:50 ONT → 09:05 DEN
    WN 3144 · Southwest · 2h 15m · 97% on time, 0.0% cancelled
  2. 2h 21m layover in Denver (DEN) · 90 min minimum on separate tickets
  3. 11:26 DEN → 16:59 DCA
    F9 688 · Frontier · 3h 32m · 78% on time, 1.3% cancelled

Total trip 8h 08m, 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 connection100%The first flight arrived more than 51 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 2h 21m layover.
Arrives on time77%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (1.3% are) and within 15 minutes (78%).
Total trip8h 08mONT 05:50 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.