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

Columbia → Dulles via Atlanta: arrives on time 67%

  1. 11:02 CAE → 12:14 ATL
    DL 1590 · Delta · 1h 10m · 91% on time, 0.0% cancelled
  2. 4h 38m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 16:52 ATL → 18:42 IAD
    DL 2902 · Delta · 1h 50m · 71% on time, 5.5% cancelled

Total trip 7h 40m, scheduled departure to arrival. Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.

Makes the connection99%The first flight arrived more than 233 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 4h 38m layover.
Arrives on time67%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (5.5% are) and within 15 minutes (71%).
Total trip7h 40mCAE 11:02 to IAD 18:42, 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.