Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Juan → Jacksonville via New York: arrives on time 59%
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13:12 SJU → 17:20 JFKB6 1604 · JetBlue · 4h 07m · 82% on time, 2.9% cancelled
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1h 55m layover in New York (JFK) · 90 min minimum on separate tickets
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19:15 JFK → 22:17 JAXDL 5123 · Delta, flown by Endeavor · 3h 02m · 74% on time, 4.9% cancelled
Total trip 9h 05m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection86%The first flight arrived more than 25 minutes late on 14% of the days it flew: too late for the 90-minute minimum connection on a 1h 55m layover.
Arrives on time59%First flight not cancelled (2.9% are) × connection made (86%) × second flight not cancelled (4.9% are) and within 15 minutes (74%).
Total trip9h 05mSJU 13:12 to JAX 22:17, 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.