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

Salt Lake City → Houston via San Francisco: arrives on time 29%

  1. 09:49 SLC → 11:13 SFO
    UA 5970 · United, flown by SkyWest · 2h 24m · 36% on time, 0.6% cancelled
  2. 1h 02m layover in San Francisco (SFO) · 45 min minimum on one ticket
  3. 12:15 SFO → 18:27 IAH
    UA 1387 · United · 4h 12m · 78% on time, 0.4% cancelled

Total trip 7h 38m, scheduled departure to arrival (Houston is 1 h ahead of Salt Lake City). Times are local. Both flew on 56 of the last 56 days.

Makes the connection37%The first flight arrived more than 17 minutes late on 63% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time29%First flight not cancelled (0.6% are) × connection made (37%) × second flight not cancelled (0.4% are) and within 15 minutes (78%).
Total trip7h 38mSLC 09:49 to IAH 18:27, 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.