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

Atlanta → Birmingham via Dallas: arrives on time 24%

  1. 14:10 ATL → 15:20 DAL
    WN 194 · Southwest · 2h 10m · 59% on time, 0.0% cancelled
  2. 1h 05m layover in Dallas (DAL) · 45 min minimum on one ticket
  3. 16:25 DAL → 18:05 BHM
    WN 4389 · Southwest · 1h 40m · 38% on time, 2.0% cancelled

Total trip 4h 55m, scheduled departure to arrival (Birmingham is 1 h behind Atlanta). Times are local. Both flew on 40 of the last 56 days.

Makes the connection65%The first flight arrived more than 20 minutes late on 35% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time24%First flight not cancelled (0.0% are) × connection made (65%) × second flight not cancelled (2.0% are) and within 15 minutes (38%).
Total trip4h 55mATL 14:10 to BHM 18:05, 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.