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

Chicago → Miami via St Louis: arrives on time 17%

  1. 10:32 MDW → 11:45 STL
    WN 2901 · Southwest · 1h 12m · 75% on time, 4.0% cancelled
  2. 1h 00m layover in St Louis (STL) · 45 min minimum on one ticket
  3. 12:45 STL → 16:25 MIA
    WN 2901 · Southwest · 2h 40m · 23% on time, 0.0% cancelled

Total trip 4h 53m, scheduled departure to arrival (Miami is 1 h ahead of Chicago). Times are local. Both flew on 24 of the last 56 days.

Makes the connection75%The first flight arrived more than 15 minutes late on 25% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time17%First flight not cancelled (4.0% are) × connection made (75%) × second flight not cancelled (0.0% are) and within 15 minutes (23%).
Total trip4h 53mMDW 10:32 to MIA 16:25, 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.