Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
New York → Ontario via Houston: arrives on time 74%
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13:50 LGA → 16:45 IAHDL 2930 · Delta · 4h 00m · 73% on time, 2.8% cancelled
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3h 46m layover in Houston (IAH) · 90 min minimum on separate tickets
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20:31 IAH → 21:55 ONTUA 1563 · United · 3h 24m · 79% on time, 0.0% cancelled
Total trip 11h 05m, scheduled departure to arrival (Ontario is 3 h behind New York). Times are local. Both flew on 55 of the last 56 days.
Makes the connection96%The first flight arrived more than 136 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 3h 46m layover.
Arrives on time74%First flight not cancelled (2.8% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (79%).
Total trip11h 05mLGA 13:50 to ONT 21:55, 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.