Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
New York → Ontario via Denver: arrives on time 69%
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16:59 LGA → 19:35 DENUA 2834 · United · 4h 36m · 60% on time, 1.4% cancelled
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2h 54m layover in Denver (DEN) · 90 min minimum on separate tickets
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22:29 DEN → 23:49 ONTF9 1261 · Frontier · 2h 20m · 81% on time, 0.0% cancelled
Total trip 9h 50m, 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 connection87%The first flight arrived more than 84 minutes late on 13% of the days it flew: too late for the 90-minute minimum connection on a 2h 54m layover.
Arrives on time69%First flight not cancelled (1.4% are) × connection made (87%) × second flight not cancelled (0.0% are) and within 15 minutes (81%).
Total trip9h 50mLGA 16:59 to ONT 23:49, 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.