Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Miami → Jacksonville via Atlanta: arrives on time 51%
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19:16 MIA → 21:34 ATLDL 1323 · Delta · 2h 18m · 59% on time, 2.4% cancelled
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1h 14m layover in Atlanta (ATL) · 45 min minimum on one ticket
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22:48 ATL → 23:59 JAXDL 2276 · Delta · 1h 11m · 76% on time, 1.9% cancelled
Total trip 4h 43m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.
Makes the connection70%The first flight arrived more than 29 minutes late on 30% of the days it flew: too late for the 45-minute minimum connection on a 1h 14m layover.
Arrives on time51%First flight not cancelled (2.4% are) × connection made (70%) × second flight not cancelled (1.9% are) and within 15 minutes (76%).
Total trip4h 43mMIA 19:16 to JAX 23:59, 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.