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

Ontario → Chicago via Baltimore: arrives on time 86%

  1. 21:40 ONT → 05:30 BWI
    WN 3143 · Southwest · 4h 50m · 90% on time, 0.0% cancelled
  2. 2h 46m layover in Baltimore (BWI) · 90 min minimum on separate tickets
  3. 08:16 BWI → 09:30 ORD +1 day
    UA 2749 · United · 2h 14m · 86% on time, 0.0% cancelled

Total trip 9h 50m, scheduled departure to arrival (Chicago is 2 h ahead of Ontario). Times are local. Both flew on 37 of the last 56 days.

Makes the connection100%The first flight arrived more than 76 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 2h 46m layover.
Arrives on time86%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (86%).
Total trip9h 50mONT 21:40 to ORD 09:30, 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.