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

Ontario → Chicago via Dallas-Fort Worth: arrives on time 40%

  1. 14:15 ONT → 19:30 DFW
    AA 2239 · American · 3h 12m · 57% on time, 5.3% cancelled
  2. 1h 30m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
  3. 21:00 DFW → 23:39 ORD
    AA 2346 · American · 2h 39m · 63% on time, 5.9% cancelled

Total trip 7h 24m, scheduled departure to arrival (Chicago is 2 h ahead of Ontario). Times are local. Both flew on 55 of the last 56 days.

Makes the connection71%The first flight arrived more than 45 minutes late on 29% of the days it flew: too late for the 45-minute minimum connection on a 1h 30m layover.
Arrives on time40%First flight not cancelled (5.3% are) × connection made (71%) × second flight not cancelled (5.9% are) and within 15 minutes (63%).
Total trip7h 24mONT 14:15 to ORD 23:39, 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.