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

Dallas → Columbus via Nashville: arrives on time 25%

  1. 16:40 DAL → 18:30 BNA
    WN 1277 · Southwest · 1h 50m · 46% on time, 0.0% cancelled
  2. 1h 10m layover in Nashville (BNA) · 45 min minimum on one ticket
  3. 19:40 BNA → 22:00 CMH
    WN 850 · Southwest · 1h 20m · 40% on time, 0.0% cancelled

Total trip 4h 20m, scheduled departure to arrival (Columbus is 1 h ahead of Dallas). Times are local. Both flew on 24 of the last 56 days.

Makes the connection62%The first flight arrived more than 25 minutes late on 38% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time25%First flight not cancelled (0.0% are) × connection made (62%) × second flight not cancelled (0.0% are) and within 15 minutes (40%).
Total trip4h 20mDAL 16:40 to CMH 22:00, 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.