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

Denver → San Francisco via Houston: arrives on time 45%

  1. 13:30 DEN → 17:04 IAH
    UA 1829 · United · 2h 34m · 73% on time, 0.3% cancelled
  2. 1h 01m layover in Houston (IAH) · 45 min minimum on one ticket
  3. 18:05 IAH → 20:10 SFO
    UA 1341 · United · 4h 05m · 62% on time, 1.5% cancelled

Total trip 7h 40m, scheduled departure to arrival (San Francisco is 1 h behind Denver). Times are local. Both flew on 56 of the last 56 days.

Makes the connection74%The first flight arrived more than 16 minutes late on 26% of the days it flew: too late for the 45-minute minimum connection on a 1h 01m layover.
Arrives on time45%First flight not cancelled (0.3% are) × connection made (74%) × second flight not cancelled (1.5% are) and within 15 minutes (62%).
Total trip7h 40mDEN 13:30 to SFO 20:10, 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.