tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

San Francisco → Houston via Denver: arrives on time 88%

  1. 21:39 SFO → 01:34 DEN
    F9 3440 · Frontier · 2h 51m · 61% on time, 0.0% cancelled
  2. 3h 41m layover in Denver (DEN) · 90 min minimum on separate tickets
  3. 05:15 DEN → 08:40 HOU +1 day
    WN 1730 · Southwest · 2h 25m · 94% on time, 0.0% cancelled

Total trip 9h 01m, scheduled departure to arrival (Houston is 2 h ahead of San Francisco). Times are local. Both flew on 22 of the last 56 days.

Makes the connection94%The first flight arrived more than 131 minutes late on 6% of the days it flew: too late for the 90-minute minimum connection on a 3h 41m layover.
Arrives on time88%First flight not cancelled (0.0% are) × connection made (94%) × second flight not cancelled (0.0% are) and within 15 minutes (94%).
Total trip9h 01mSFO 21:39 to HOU 08:40, 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.