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

Ontario → Denver via Dallas-Fort Worth: arrives on time 25%

  1. 14:15 ONT → 19:30 DFW
    AA 2239 · American · 3h 12m · 57% on time, 5.3% cancelled
  2. 59m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
  3. 20:29 DFW → 21:32 DEN
    AA 577 · American · 2h 03m · 50% on time, 4.4% cancelled

Total trip 6h 17m, scheduled departure to arrival (Denver is 1 h ahead of Ontario). Times are local. Both flew on 45 of the last 56 days.

Makes the connection55%The first flight arrived more than 14 minutes late on 45% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time25%First flight not cancelled (5.3% are) × connection made (55%) × second flight not cancelled (4.4% are) and within 15 minutes (50%).
Total trip6h 17mONT 14:15 to DEN 21:32, 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.