Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
New York → Ontario via Salt Lake City: arrives on time 80%
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11:10 JFK → 14:18 SLCDL 917 · Delta · 5h 08m · 83% on time, 1.9% cancelled
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1h 27m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
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15:45 SLC → 16:41 ONTDL 4443 · Delta, flown by SkyWest · 1h 56m · 87% on time, 0.0% cancelled
Total trip 8h 31m, 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 connection94%The first flight arrived more than 42 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 27m layover.
Arrives on time80%First flight not cancelled (1.9% are) × connection made (94%) × second flight not cancelled (0.0% are) and within 15 minutes (87%).
Total trip8h 31mJFK 11:10 to ONT 16:41, 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.