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

New York → Ontario via Atlanta: arrives on time 70%

  1. 06:00 JFK → 08:24 ATL
    DL 2286 · Delta · 2h 24m · 90% on time, 1.4% cancelled
  2. 51m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 09:15 ATL → 10:40 ONT
    DL 665 · Delta · 4h 25m · 85% on time, 2.5% cancelled

Total trip 7h 40m, scheduled departure to arrival (Ontario is 3 h behind New York). Times are local. Both flew on 56 of the last 56 days.

Makes the connection86%The first flight arrived more than 6 minutes late on 14% of the days it flew: too late for the 45-minute minimum connection on a 51m layover.
Arrives on time70%First flight not cancelled (1.4% are) × connection made (86%) × second flight not cancelled (2.5% are) and within 15 minutes (85%).
Total trip7h 40mJFK 06:00 to ONT 10:40, 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.