Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
New York → Ontario via Chicago: arrives on time 46%
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16:25 LGA → 18:17 ORDUA 1156 · United · 2h 52m · 53% on time, 5.6% cancelled
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2h 01m layover in Chicago (ORD) · 45 min minimum on one ticket
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20:18 ORD → 22:51 ONTUA 658 · United · 4h 33m · 60% on time, 2.5% cancelled
Total trip 9h 26m, 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 connection83%The first flight arrived more than 76 minutes late on 17% of the days it flew: too late for the 45-minute minimum connection on a 2h 01m layover.
Arrives on time46%First flight not cancelled (5.6% are) × connection made (83%) × second flight not cancelled (2.5% are) and within 15 minutes (60%).
Total trip9h 26mLGA 16:25 to ONT 22:51, 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.