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

Chicago → Philadelphia via Nashville: arrives on time 13%

  1. 18:40 MDW → 20:10 BNA
    WN 1073 · Southwest · 1h 30m · 50% on time, 4.0% cancelled
  2. 1h 00m layover in Nashville (BNA) · 45 min minimum on one ticket
  3. 21:10 BNA → 00:25 PHL +1 day
    WN 634 · Southwest · 2h 00m · 28% on time, 0.0% cancelled

Total trip 4h 30m, scheduled departure to arrival (Philadelphia is 1 h ahead of Chicago). Times are local. Both flew on 48 of the last 56 days.

Makes the connection50%The first flight arrived more than 15 minutes late on 50% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time13%First flight not cancelled (4.0% are) × connection made (50%) × second flight not cancelled (0.0% are) and within 15 minutes (28%).
Total trip4h 30mMDW 18:40 to PHL 00:25, 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.