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

Chicago → Ontario via Dallas-Fort Worth: arrives on time 48%

  1. 14:59 ORD → 17:36 DFW
    AA 2257 · American · 2h 36m · 65% on time, 2.7% cancelled
  2. 3h 51m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
  3. 21:27 DFW → 22:32 ONT
    AA 711 · American · 3h 05m · 53% on time, 4.4% cancelled

Total trip 9h 33m, scheduled departure to arrival (Ontario is 2 h behind Chicago). Times are local. Both flew on 55 of the last 56 days.

Makes the connection97%The first flight arrived more than 186 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 51m layover.
Arrives on time48%First flight not cancelled (2.7% are) × connection made (97%) × second flight not cancelled (4.4% are) and within 15 minutes (53%).
Total trip9h 33mORD 14:59 to ONT 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.