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

Ontario → Denver via Chicago: arrives on time 78%

  1. 23:55 ONT → 05:40 MDW
    WN 3153 · Southwest · 3h 45m · 83% on time, 0.0% cancelled
  2. 1h 10m layover in Chicago (MDW) · 45 min minimum on one ticket
  3. 06:50 MDW → 08:20 DEN +1 day
    WN 2765 · Southwest · 2h 30m · 84% on time, 0.0% cancelled

Total trip 7h 25m, scheduled departure to arrival (Denver is 1 h ahead of Ontario). Times are local. Both flew on 46 of the last 56 days.

Makes the connection93%The first flight arrived more than 25 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time78%First flight not cancelled (0.0% are) × connection made (93%) × second flight not cancelled (0.0% are) and within 15 minutes (84%).
Total trip7h 25mONT 23:55 to DEN 08:20, 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.