Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Chicago → Ontario via Denver: arrives on time 88%

  1. 06:50 MDW → 08:20 DEN
    WN 2765 · Southwest · 2h 30m · 84% on time, 0.0% cancelled
  2. 3h 05m layover in Denver (DEN) · 90 min minimum on separate tickets
  3. 11:25 DEN → 12:47 ONT
    UA 430 · United · 2h 22m · 88% on time, 0.0% cancelled

Total trip 7h 57m, scheduled departure to arrival (Ontario is 2 h behind Chicago). Times are local. Both flew on 47 of the last 56 days.

Makes the connection100%The first flight arrived more than 95 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 05m layover.
Arrives on time88%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip7h 57mMDW 06:50 to ONT 12:47, 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.