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

Ontario → Chicago via Denver: arrives on time 83%

  1. 05:50 ONT → 09:05 DEN
    WN 3144 · Southwest · 2h 15m · 97% on time, 0.0% cancelled
  2. 55m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 10:00 DEN → 13:25 MDW
    WN 755 · Southwest · 2h 25m · 89% on time, 1.8% cancelled

Total trip 5h 35m, scheduled departure to arrival (Chicago is 2 h ahead of Ontario). Times are local. Both flew on 55 of the last 56 days.

Makes the connection95%The first flight arrived more than 10 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time83%First flight not cancelled (0.0% are) × connection made (95%) × second flight not cancelled (1.8% are) and within 15 minutes (89%).
Total trip5h 35mONT 05:50 to MDW 13:25, 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.