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

Houston → San Francisco via Los Angeles: arrives on time 42%

  1. 16:09 IAH → 17:30 LAX
    DL 1143 · Delta · 3h 21m · 76% on time, 1.3% cancelled
  2. 2h 55m layover in Los Angeles (LAX) · 45 min minimum on one ticket
  3. 20:25 LAX → 21:49 SFO
    DL 2197 · Delta · 1h 25m · 45% on time, 0.6% cancelled

Total trip 7h 41m, scheduled departure to arrival (San Francisco is 2 h behind Houston). Times are local. Both flew on 42 of the last 56 days.

Makes the connection95%The first flight arrived more than 130 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 55m layover.
Arrives on time42%First flight not cancelled (1.3% are) × connection made (95%) × second flight not cancelled (0.6% are) and within 15 minutes (45%).
Total trip7h 41mIAH 16:09 to SFO 21:49, 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.