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

Houston → San Francisco via Dallas-Fort Worth: arrives on time 62%

  1. 05:02 IAH → 06:19 DFW
    AA 2551 · American · 1h 17m · 90% on time, 4.4% cancelled
  2. 51m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
  3. 07:10 DFW → 08:53 SFO
    AA 1949 · American · 3h 43m · 78% on time, 1.9% cancelled

Total trip 5h 51m, scheduled departure to arrival (San Francisco is 2 h behind Houston). Times are local. Both flew on 56 of the last 56 days.

Makes the connection85%The first flight arrived more than 6 minutes late on 15% of the days it flew: too late for the 45-minute minimum connection on a 51m layover.
Arrives on time62%First flight not cancelled (4.4% are) × connection made (85%) × second flight not cancelled (1.9% are) and within 15 minutes (78%).
Total trip5h 51mIAH 05:02 to SFO 08:53, 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.