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

Detroit → San Francisco via Houston: arrives on time 78%

  1. 10:55 DTW → 12:57 IAH
    UA 6251 · United, flown by Mesa · 3h 02m · 87% on time, 0.4% cancelled
  2. 2h 33m layover in Houston (IAH) · 45 min minimum on one ticket
  3. 15:30 IAH → 17:35 SFO
    UA 589 · United · 4h 05m · 80% on time, 0.0% cancelled

Total trip 9h 40m, scheduled departure to arrival (San Francisco is 3 h behind Detroit). Times are local. Both flew on 55 of the last 56 days.

Makes the connection97%The first flight arrived more than 108 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 2h 33m layover.
Arrives on time78%First flight not cancelled (0.4% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (80%).
Total trip9h 40mDTW 10:55 to SFO 17:35, 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.