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

Seattle → Houston via St Louis: arrives on time 65%

  1. 09:00 SEA → 14:50 STL
    WN 3632 · Southwest · 3h 50m · 90% on time, 2.4% cancelled
  2. 2h 50m layover in St Louis (STL) · 45 min minimum on one ticket
  3. 17:40 STL → 19:45 HOU
    WN 5065 · Southwest · 2h 05m · 73% on time, 8.3% cancelled

Total trip 8h 45m, scheduled departure to arrival (Houston is 2 h ahead of Seattle). Times are local. Both flew on 12 of the last 56 days, too few to list among the best connections.

Makes the connection100%The first flight arrived more than 125 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 2h 50m layover.
Arrives on time65%First flight not cancelled (2.4% are) × connection made (100%) × second flight not cancelled (8.3% are) and within 15 minutes (73%).
Total trip8h 45mSEA 09:00 to HOU 19:45, 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.