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

Seattle → Houston via Denver: arrives on time 16%

  1. 12:20 SEA → 16:10 DEN
    WN 3616 · Southwest · 2h 50m · 44% on time, 0.0% cancelled
  2. 58m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 17:08 DEN → 20:45 HOU
    WN 1545 · Southwest · 2h 40m · 41% on time, 2.0% cancelled

Total trip 6h 28m, scheduled departure to arrival (Houston is 2 h ahead of Seattle). Times are local. Both flew on 24 of the last 56 days.

Makes the connection41%The first flight arrived more than 13 minutes late on 59% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time16%First flight not cancelled (0.0% are) × connection made (41%) × second flight not cancelled (2.0% are) and within 15 minutes (41%).
Total trip6h 28mSEA 12:20 to HOU 20:45, 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.