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

St Louis → San Diego via Houston: arrives on time 81%

  1. 06:14 STL → 08:31 IAH
    UA 6283 · United, flown by Mesa · 2h 17m · 85% on time, 0.0% cancelled
  2. 3h 29m layover in Houston (IAH) · 45 min minimum on one ticket
  3. 12:00 IAH → 13:21 SAN
    UA 2399 · United · 3h 21m · 83% on time, 0.0% cancelled

Total trip 9h 07m, scheduled departure to arrival (San Diego is 2 h behind St Louis). Times are local. Both flew on 54 of the last 56 days.

Makes the connection99%The first flight arrived more than 164 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 29m layover.
Arrives on time81%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (83%).
Total trip9h 07mSTL 06:14 to SAN 13:21, 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.