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

Chicago → Ontario via Phoenix: arrives on time 85%

  1. 05:00 ORD → 06:32 PHX
    AA 2434 · American · 3h 32m · 87% on time, 2.8% cancelled
  2. 3h 33m layover in Phoenix (PHX) · 90 min minimum on separate tickets
  3. 10:05 PHX → 11:20 ONT
    WN 431 · Southwest · 1h 15m · 88% on time, 0.0% cancelled

Total trip 8h 20m, scheduled departure to arrival (Ontario is 2 h behind Chicago). Times are local. Both flew on 24 of the last 56 days.

Makes the connection99%The first flight arrived more than 123 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 33m layover.
Arrives on time85%First flight not cancelled (2.8% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip8h 20mORD 05:00 to ONT 11:20, 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.