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

Houston → Ontario via Dallas-Fort Worth: arrives on time 11%

  1. 18:53 IAH → 20:25 DFW
    AA 1929 · American · 1h 32m · 23% on time, 9.6% cancelled
  2. 1h 02m 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 5h 39m, scheduled departure to arrival (Ontario is 2 h behind Houston). Times are local. Both flew on 40 of the last 56 days.

Makes the connection24%The first flight arrived more than 17 minutes late on 76% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time11%First flight not cancelled (9.6% are) × connection made (24%) × second flight not cancelled (4.4% are) and within 15 minutes (53%).
Total trip5h 39mIAH 18:53 to ONT 22:32, 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.