Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Miami → Raleigh/Durham via Atlanta: arrives on time 35%
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18:05 MIA → 20:22 ATLDL 1386 · Delta · 2h 17m · 59% on time, 1.8% cancelled
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1h 03m layover in Atlanta (ATL) · 45 min minimum on one ticket
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21:25 ATL → 22:55 RDUDL 1154 · Delta · 1h 30m · 61% on time, 3.4% cancelled
Total trip 4h 50m, scheduled departure to arrival. Times are local. Both flew on 29 of the last 56 days.
Makes the connection61%The first flight arrived more than 18 minutes late on 39% of the days it flew: too late for the 45-minute minimum connection on a 1h 03m layover.
Arrives on time35%First flight not cancelled (1.8% are) × connection made (61%) × second flight not cancelled (3.4% are) and within 15 minutes (61%).
Total trip4h 50mMIA 18:05 to RDU 22:55, 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.