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

Ontario → Newark via Atlanta: arrives on time 52%

  1. 11:50 ONT → 19:11 ATL
    DL 665 · Delta · 4h 21m · 85% on time, 1.6% cancelled
  2. 59m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 20:10 ATL → 22:29 EWR
    DL 2527 · Delta · 2h 19m · 65% on time, 2.3% cancelled

Total trip 7h 39m, scheduled departure to arrival (Newark is 3 h ahead of Ontario). Times are local. Both flew on 30 of the last 56 days.

Makes the connection84%The first flight arrived more than 14 minutes late on 16% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time52%First flight not cancelled (1.6% are) × connection made (84%) × second flight not cancelled (2.3% are) and within 15 minutes (65%).
Total trip7h 39mONT 11:50 to EWR 22:29, 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.