Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Atlanta → Charleston via Dulles: arrives on time 84%

  1. 07:43 ATL → 09:26 IAD
    DL 1324 · Delta · 1h 45m · 90% on time, 4.1% cancelled
  2. 3h 09m layover in Dulles (IAD) · 90 min minimum on separate tickets
  3. 12:35 IAD → 14:27 CHS
    UA 3487 · United, flown by Republic · 1h 52m · 90% on time, 0.6% cancelled

Total trip 6h 44m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection98%The first flight arrived more than 99 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 09m layover.
Arrives on time84%First flight not cancelled (4.1% are) × connection made (98%) × second flight not cancelled (0.6% are) and within 15 minutes (90%).
Total trip6h 44mATL 07:43 to CHS 14:27, 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.