Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
New York → Ontario via Dallas-Fort Worth: arrives on time 42%
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14:42 JFK → 17:44 DFWAA 1953 · American · 4h 02m · 69% on time, 2.8% cancelled
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1h 06m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
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18:50 DFW → 19:59 ONTAA 2236 · American · 3h 09m · 62% on time, 4.2% cancelled
Total trip 8h 17m, 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 connection72%The first flight arrived more than 21 minutes late on 28% of the days it flew: too late for the 45-minute minimum connection on a 1h 06m layover.
Arrives on time42%First flight not cancelled (2.8% are) × connection made (72%) × second flight not cancelled (4.2% are) and within 15 minutes (62%).
Total trip8h 17mJFK 14:42 to ONT 19:59, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.