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

Newark → Ontario via Las Vegas: arrives on time 78%

  1. 09:00 EWR → 11:28 LAS
    UA 1631 · United · 5h 28m · 90% on time, 0.7% cancelled
  2. 2h 31m layover in Las Vegas (LAS) · 90 min minimum on separate tickets
  3. 13:59 LAS → 15:09 ONT
    F9 1357 · Frontier · 1h 10m · 82% on time, 0.4% cancelled

Total trip 9h 09m, scheduled departure to arrival (Ontario is 3 h behind Newark). Times are local. Both flew on 55 of the last 56 days.

Makes the connection96%The first flight arrived more than 61 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 2h 31m layover.
Arrives on time78%First flight not cancelled (0.7% are) × connection made (96%) × second flight not cancelled (0.4% are) and within 15 minutes (82%).
Total trip9h 09mEWR 09:00 to ONT 15:09, 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.