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

Newark → Ontario via Dallas-Fort Worth: arrives on time 76%

  1. 09:06 EWR → 11:54 DFW
    UA 454 · United · 3h 48m · 85% on time, 2.1% cancelled
  2. 3h 41m layover in Dallas-Fort Worth (DFW) · 90 min minimum on separate tickets
  3. 15:35 DFW → 16:48 ONT
    F9 4689 · Frontier · 3h 13m · 79% on time, 1.0% cancelled

Total trip 10h 42m, scheduled departure to arrival (Ontario is 3 h behind Newark). Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 131 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 41m layover.
Arrives on time76%First flight not cancelled (2.1% are) × connection made (99%) × second flight not cancelled (1.0% are) and within 15 minutes (79%).
Total trip10h 42mEWR 09:06 to ONT 16:48, 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.