Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Charlotte Amalie → Dulles via Atlanta: arrives on time 45%
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15:33 STT → 19:30 ATLDL 1883 · Delta · 3h 57m · 82% on time, 2.7% cancelled
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1h 46m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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21:16 ATL → 23:09 IADF9 3692 · Frontier · 1h 53m · 56% on time, 1.7% cancelled
Total trip 7h 36m, scheduled departure to arrival. Times are local. Both flew on 25 of the last 56 days.
Makes the connection83%The first flight arrived more than 16 minutes late on 17% of the days it flew: too late for the 90-minute minimum connection on a 1h 46m layover.
Arrives on time45%First flight not cancelled (2.7% are) × connection made (83%) × second flight not cancelled (1.7% are) and within 15 minutes (56%).
Total trip7h 36mSTT 15:33 to IAD 23:09, 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.