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

Ontario → New York via Denver: arrives on time 14%

  1. 12:50 ONT → 16:05 DEN
    WN 3146 · Southwest · 2h 15m · 39% on time, 0.0% cancelled
  2. 1h 10m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 17:15 DEN → 23:00 LGA
    WN 4480 · Southwest · 3h 45m · 25% on time, 1.7% cancelled

Total trip 7h 10m, scheduled departure to arrival (New York is 3 h ahead of Ontario). Times are local. Both flew on 40 of the last 56 days.

Makes the connection56%The first flight arrived more than 25 minutes late on 44% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time14%First flight not cancelled (0.0% are) × connection made (56%) × second flight not cancelled (1.7% are) and within 15 minutes (25%).
Total trip7h 10mONT 12:50 to LGA 23:00, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.