tailodds FORECAST
Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Dulles → Charleston via Atlanta: arrives on time 49%

  1. 15:02 IAD → 16:54 ATL
    DL 2135 · Delta · 1h 52m · 73% on time, 0.0% cancelled
  2. 48m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 17:42 ATL → 18:54 CHS
    DL 3179 · Delta · 1h 15m · 76% on time, 1.6% cancelled

Total trip 3h 55m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection66%The first flight arrived more than 3 minutes late on 34% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time49%First flight not cancelled (0.0% are) × connection made (66%) × second flight not cancelled (1.6% are) and within 15 minutes (76%).
Total trip3h 55mIAD 15:02 to CHS 18:54, 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.