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 57%

  1. 10:25 ONT → 15:37 DFW
    AA 2238 · American · 3h 12m · 81% on time, 1.4% cancelled
  2. 4h 08m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
  3. 19:45 DFW → 22:32 ORD
    AA 3531 · American, flown by Envoy · 2h 47m · 64% on time, 6.5% cancelled

Total trip 10h 07m, scheduled departure to arrival (Chicago is 2 h ahead of Ontario). Times are local. Both flew on 56 of the last 56 days.

Makes the connection97%The first flight arrived more than 203 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 4h 08m layover.
Arrives on time57%First flight not cancelled (1.4% are) × connection made (97%) × second flight not cancelled (6.5% are) and within 15 minutes (64%).
Total trip10h 07mONT 10:25 to ORD 22:32, 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.