Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Antonio → Miami via New York: arrives on time 60%
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12:45 SAT → 17:55 JFKDL 1166 · Delta · 4h 10m · 82% on time, 4.4% cancelled
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1h 57m layover in New York (JFK) · 45 min minimum on one ticket
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19:52 JFK → 23:33 MIADL 1428 · Delta · 3h 41m · 70% on time, 3.4% cancelled
Total trip 9h 48m, scheduled departure to arrival (Miami is 1 h ahead of San Antonio). Times are local. Both flew on 56 of the last 56 days.
Makes the connection93%The first flight arrived more than 72 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 57m layover.
Arrives on time60%First flight not cancelled (4.4% are) × connection made (93%) × second flight not cancelled (3.4% are) and within 15 minutes (70%).
Total trip9h 48mSAT 12:45 to MIA 23:33, 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.