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

Ontario → Chicago via Phoenix: arrives on time 71%

  1. 20:42 ONT → 21:58 PHX
    WN 3160 · Southwest · 1h 15m · 48% on time, 0.0% cancelled
  2. 1h 57m layover in Phoenix (PHX) · 45 min minimum on one ticket
  3. 23:55 PHX → 05:10 MDW +1 day
    WN 3298 · Southwest · 3h 15m · 83% on time, 0.0% cancelled

Total trip 6h 28m, scheduled departure to arrival (Chicago is 2 h ahead of Ontario). Times are local. Both flew on 24 of the last 56 days.

Makes the connection85%The first flight arrived more than 72 minutes late on 15% of the days it flew: too late for the 45-minute minimum connection on a 1h 57m layover.
Arrives on time71%First flight not cancelled (0.0% are) × connection made (85%) × second flight not cancelled (0.0% are) and within 15 minutes (83%).
Total trip6h 28mONT 20:42 to MDW 05:10, 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.