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

Ontario → New York via Houston: arrives on time 56%

  1. 05:45 ONT → 11:04 IAH
    UA 1936 · United · 3h 19m · 91% on time, 0.5% cancelled
  2. 56m layover in Houston (IAH) · 45 min minimum on one ticket
  3. 12:00 IAH → 16:44 LGA
    UA 2181 · United · 3h 44m · 66% on time, 0.8% cancelled

Total trip 7h 59m, scheduled departure to arrival (New York is 3 h ahead of Ontario). Times are local. Both flew on 56 of the last 56 days.

Makes the connection87%The first flight arrived more than 11 minutes late on 13% of the days it flew: too late for the 45-minute minimum connection on a 56m layover.
Arrives on time56%First flight not cancelled (0.5% are) × connection made (87%) × second flight not cancelled (0.8% are) and within 15 minutes (66%).
Total trip7h 59mONT 05:45 to LGA 16:44, 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.