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

Nashville → Chicago via Columbus: arrives on time 39%

  1. 16:30 BNA → 18:50 CMH
    WN 481 · Southwest · 1h 20m · 42% on time, 0.0% cancelled
  2. 1h 18m layover in Columbus (CMH) · 45 min minimum on one ticket
  3. 20:08 CMH → 20:22 MDW
    WN 1200 · Southwest · 1h 15m · 62% on time, 2.0% cancelled

Total trip 3h 53m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.

Makes the connection64%The first flight arrived more than 33 minutes late on 36% of the days it flew: too late for the 45-minute minimum connection on a 1h 18m layover.
Arrives on time39%First flight not cancelled (0.0% are) × connection made (64%) × second flight not cancelled (2.0% are) and within 15 minutes (62%).
Total trip3h 53mBNA 16:30 to MDW 20:22, 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.