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

Chicago → Ontario via Dallas-Fort Worth: arrives on time 34%

  1. 16:51 ORD → 19:28 DFW
    AA 2988 · American · 2h 37m · 46% on time, 3.4% cancelled
  2. 3h 27m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
  3. 22:55 DFW → 23:59 ONT +1 day
    AA 1534 · American · 3h 07m · 39% on time, 2.7% cancelled

Total trip 9h 11m, scheduled departure to arrival (Ontario is 2 h behind Chicago). Times are local. Both flew on 53 of the last 56 days.

Makes the connection93%The first flight arrived more than 162 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 3h 27m layover.
Arrives on time34%First flight not cancelled (3.4% are) × connection made (93%) × second flight not cancelled (2.7% are) and within 15 minutes (39%).
Total trip9h 11mORD 16:51 to ONT 23:59, 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.