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

Chicago → Ontario via Oakland: arrives on time 68%

  1. 10:05 MDW → 12:35 OAK
    WN 3366 · Southwest · 4h 30m · 74% on time, 0.0% cancelled
  2. 2h 40m layover in Oakland (OAK) · 45 min minimum on one ticket
  3. 15:15 OAK → 16:35 ONT
    WN 381 · Southwest · 1h 20m · 69% on time, 0.0% cancelled

Total trip 8h 30m, scheduled departure to arrival (Ontario is 2 h behind Chicago). Times are local. Both flew on 24 of the last 56 days.

Makes the connection98%The first flight arrived more than 115 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 2h 40m layover.
Arrives on time68%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (69%).
Total trip8h 30mMDW 10:05 to ONT 16:35, 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.