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

Newark → Ontario via Atlanta: arrives on time 61%

  1. 15:25 EWR → 17:54 ATL
    DL 2312 · Delta · 2h 29m · 70% on time, 4.6% cancelled
  2. 2h 31m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 20:25 ATL → 21:50 ONT
    DL 779 · Delta · 4h 25m · 71% on time, 1.6% cancelled

Total trip 9h 25m, scheduled departure to arrival (Ontario is 3 h behind Newark). Times are local. Both flew on 41 of the last 56 days.

Makes the connection92%The first flight arrived more than 106 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 2h 31m layover.
Arrives on time61%First flight not cancelled (4.6% are) × connection made (92%) × second flight not cancelled (1.6% are) and within 15 minutes (71%).
Total trip9h 25mEWR 15:25 to ONT 21:50, 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.