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

Houston → San Francisco via Denver: arrives on time 35%

  1. 07:20 IAH → 08:52 DEN
    UA 1575 · United · 2h 32m · 77% on time, 1.4% cancelled
  2. 51m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 09:43 DEN → 11:25 SFO
    UA 1506 · United · 2h 42m · 48% on time, 0.6% cancelled

Total trip 6h 05m, 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 connection74%The first flight arrived more than 6 minutes late on 26% of the days it flew: too late for the 45-minute minimum connection on a 51m layover.
Arrives on time35%First flight not cancelled (1.4% are) × connection made (74%) × second flight not cancelled (0.6% are) and within 15 minutes (48%).
Total trip6h 05mIAH 07:20 to SFO 11:25, 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.