Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Charleston via Atlanta: arrives on time 72%
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11:17 IAD → 13:18 ATLF9 1081 · Frontier · 2h 01m · 75% on time, 1.9% cancelled
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2h 41m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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15:59 ATL → 17:18 CHSDL 2174 · Delta · 1h 17m · 82% on time, 0.4% cancelled
Total trip 5h 59m, scheduled departure to arrival. Times are local. Both flew on 21 of the last 56 days.
Makes the connection90%The first flight arrived more than 71 minutes late on 10% of the days it flew: too late for the 90-minute minimum connection on a 2h 41m layover.
Arrives on time72%First flight not cancelled (1.9% are) × connection made (90%) × second flight not cancelled (0.4% are) and within 15 minutes (82%).
Total trip5h 59mIAD 11:17 to CHS 17:18, 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.