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

Ontario → Chicago via Charlotte: arrives on time 76%

  1. 22:10 ONT → 05:48 CLT
    AA 2237 · American · 4h 38m · 85% on time, 1.4% cancelled
  2. 1h 47m layover in Charlotte (CLT) · 90 min minimum on separate tickets
  3. 07:35 CLT → 08:40 MDW +1 day
    WN 3048 · Southwest · 2h 05m · 90% on time, 0.0% cancelled

Total trip 8h 30m, scheduled departure to arrival (Chicago is 2 h ahead of Ontario). Times are local. Both flew on 38 of the last 56 days.

Makes the connection85%The first flight arrived more than 17 minutes late on 15% of the days it flew: too late for the 90-minute minimum connection on a 1h 47m layover.
Arrives on time76%First flight not cancelled (1.4% are) × connection made (85%) × second flight not cancelled (0.0% are) and within 15 minutes (90%).
Total trip8h 30mONT 22:10 to MDW 08:40, 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.