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

Louisville → Chicago via Dallas: arrives on time 36%

  1. 12:00 SDF → 13:05 DAL
    WN 4466 · Southwest · 2h 05m · 62% on time, 0.0% cancelled
  2. 1h 00m layover in Dallas (DAL) · 45 min minimum on one ticket
  3. 14:05 DAL → 16:20 MDW
    WN 1358 · Southwest · 2h 15m · 60% on time, 4.0% cancelled

Total trip 5h 20m, scheduled departure to arrival (Chicago is 1 h behind Louisville). Times are local. Both flew on 32 of the last 56 days.

Makes the connection62%The first flight arrived more than 15 minutes late on 38% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time36%First flight not cancelled (0.0% are) × connection made (62%) × second flight not cancelled (4.0% are) and within 15 minutes (60%).
Total trip5h 20mSDF 12:00 to MDW 16:20, 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.