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

Houston → Tucson via San Francisco: arrives on time 37%

  1. 18:05 IAH → 20:10 SFO
    UA 1341 · United · 4h 05m · 62% on time, 1.5% cancelled
  2. 47m layover in San Francisco (SFO) · 45 min minimum on one ticket
  3. 20:57 SFO → 23:26 TUS
    UA 5688 · United, flown by SkyWest · 2h 29m · 77% on time, 0.3% cancelled

Total trip 7h 21m, scheduled departure to arrival (Tucson is 2 h behind Houston). Times are local. Both flew on 52 of the last 56 days.

Makes the connection49%The first flight arrived more than 2 minutes late on 51% of the days it flew: too late for the 45-minute minimum connection on a 47m layover.
Arrives on time37%First flight not cancelled (1.5% are) × connection made (49%) × second flight not cancelled (0.3% are) and within 15 minutes (77%).
Total trip7h 21mIAH 18:05 to TUS 23:26, 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.