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

Denver → Birmingham via Houston: arrives on time 45%

  1. 10:15 DEN → 13:55 HOU
    WN 1543 · Southwest · 2h 40m · 81% on time, 0.0% cancelled
  2. 50m layover in Houston (HOU) · 45 min minimum on one ticket
  3. 14:45 HOU → 16:30 BHM
    WN 437 · Southwest · 1h 45m · 69% on time, 0.0% cancelled

Total trip 5h 15m, scheduled departure to arrival (Birmingham is 1 h ahead of Denver). Times are local. Both flew on 40 of the last 56 days.

Makes the connection65%The first flight arrived more than 5 minutes late on 35% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time45%First flight not cancelled (0.0% are) × connection made (65%) × second flight not cancelled (0.0% are) and within 15 minutes (69%).
Total trip5h 15mDEN 10:15 to BHM 16:30, 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.