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

Denver → Chicago via Louisville: arrives on time 85%

  1. 12:55 DEN → 17:25 SDF
    WN 1712 · Southwest · 2h 30m · 76% on time, 0.0% cancelled
  2. 2h 40m layover in Louisville (SDF) · 45 min minimum on one ticket
  3. 20:05 SDF → 20:20 MDW
    WN 3329 · Southwest · 1h 15m · 92% on time, 7.7% cancelled

Total trip 6h 25m, scheduled departure to arrival (Chicago is 1 h ahead of Denver). Times are local. Both flew on 24 of the last 56 days.

Makes the connection100%The first flight arrived more than 115 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 2h 40m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (7.7% are) and within 15 minutes (92%).
Total trip6h 25mDEN 12:55 to MDW 20:20, layover included

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.