Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
New York → Ontario via Denver: arrives on time 69%
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07:40 LGA → 09:55 DENUA 2154 · United · 4h 15m · 67% on time, 6.2% cancelled
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1h 30m layover in Denver (DEN) · 45 min minimum on one ticket
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11:25 DEN → 12:47 ONTUA 430 · United · 2h 22m · 88% on time, 0.0% cancelled
Total trip 8h 07m, scheduled departure to arrival (Ontario is 3 h behind New York). Times are local. Both flew on 32 of the last 56 days.
Makes the connection83%The first flight arrived more than 45 minutes late on 17% of the days it flew: too late for the 45-minute minimum connection on a 1h 30m layover.
Arrives on time69%First flight not cancelled (6.2% are) × connection made (83%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip8h 07mLGA 07:40 to ONT 12:47, 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.