Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Charleston → Austin via Atlanta: arrives on time 63%
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06:15 CHS → 07:25 ATLDL 2124 · Delta · 1h 10m · 93% on time, 1.4% cancelled
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3h 46m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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11:11 ATL → 12:45 AUSF9 4211 · Frontier · 2h 33m · 67% on time, 2.6% cancelled
Total trip 7h 29m, scheduled departure to arrival (Austin is 1 h behind Charleston). Times are local. Both flew on 55 of the last 56 days.
Makes the connection97%The first flight arrived more than 136 minutes late on 3% of the days it flew: too late for the 90-minute minimum connection on a 3h 46m layover.
Arrives on time63%First flight not cancelled (1.4% are) × connection made (97%) × second flight not cancelled (2.6% are) and within 15 minutes (67%).
Total trip7h 29mCHS 06:15 to AUS 12:45, 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.