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

Washington → Columbia via Atlanta: arrives on time 56%

  1. 19:35 DCA → 21:35 ATL
    DL 950 · Delta · 2h 00m · 70% on time, 2.7% cancelled
  2. 1h 06m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 22:41 ATL → 23:46 CAE
    DL 3029 · Delta · 1h 05m · 80% on time, 1.9% cancelled

Total trip 4h 11m, scheduled departure to arrival. Times are local. Both flew on 54 of the last 56 days.

Makes the connection73%The first flight arrived more than 21 minutes late on 27% of the days it flew: too late for the 45-minute minimum connection on a 1h 06m layover.
Arrives on time56%First flight not cancelled (2.7% are) × connection made (73%) × second flight not cancelled (1.9% are) and within 15 minutes (80%).
Total trip4h 11mDCA 19:35 to CAE 23:46, 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.