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

Washington → Ontario via Chicago: arrives on time 53%

  1. 07:30 DCA → 08:25 MDW
    WN 1442 · Southwest · 1h 55m · 88% on time, 2.0% cancelled
  2. 3h 20m layover in Chicago (MDW) · 45 min minimum on one ticket
  3. 11:45 MDW → 13:50 ONT
    WN 2846 · Southwest · 4h 05m · 55% on time, 0.0% cancelled

Total trip 9h 20m, scheduled departure to arrival (Ontario is 3 h behind Washington). Times are local. Both flew on 40 of the last 56 days.

Makes the connection98%The first flight arrived more than 155 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 3h 20m layover.
Arrives on time53%First flight not cancelled (2.0% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (55%).
Total trip9h 20mDCA 07:30 to ONT 13:50, 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.