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

Houston → San Francisco via Chicago: arrives on time 59%

  1. 06:10 IAH → 09:05 ORD
    UA 2616 · United · 2h 55m · 88% on time, 1.1% cancelled
  2. 1h 20m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 10:25 ORD → 13:14 SFO
    UA 543 · United · 4h 49m · 63% on time, 2.0% cancelled

Total trip 9h 04m, 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 connection96%The first flight arrived more than 35 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 20m layover.
Arrives on time59%First flight not cancelled (1.1% are) × connection made (96%) × second flight not cancelled (2.0% are) and within 15 minutes (63%).
Total trip9h 04mIAH 06:10 to SFO 13:14, 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.