Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Miami → Raleigh/Durham via Atlanta: arrives on time 47%
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16:00 MIA → 18:22 ATLDL 1579 · Delta · 2h 22m · 67% on time, 0.6% cancelled
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56m layover in Atlanta (ATL) · 45 min minimum on one ticket
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19:18 ATL → 20:47 RDUDL 1518 · Delta · 1h 29m · 74% on time, 1.2% cancelled
Total trip 4h 47m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection64%The first flight arrived more than 11 minutes late on 36% of the days it flew: too late for the 45-minute minimum connection on a 56m layover.
Arrives on time47%First flight not cancelled (0.6% are) × connection made (64%) × second flight not cancelled (1.2% are) and within 15 minutes (74%).
Total trip4h 47mMIA 16:00 to RDU 20:47, 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.