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

New York → Ontario via Atlanta: arrives on time 72%

  1. 06:00 LGA → 08:15 ATL
    DL 550 · Delta · 2h 15m · 91% on time, 4.1% cancelled
  2. 1h 00m 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 connection91%The first flight arrived more than 15 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time72%First flight not cancelled (4.1% are) × connection made (91%) × second flight not cancelled (2.5% are) and within 15 minutes (85%).
Total trip7h 40mLGA 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.