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

Dulles → Columbus via Atlanta: arrives on time 80%

  1. 10:21 IAD → 12:05 ATL
    DL 1324 · Delta · 1h 48m · 85% on time, 4.3% cancelled
  2. 2h 20m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 14:25 ATL → 15:59 CMH
    DL 2200 · Delta · 1h 35m · 88% on time, 1.2% cancelled

Total trip 5h 39m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection96%The first flight arrived more than 95 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 2h 20m layover.
Arrives on time80%First flight not cancelled (4.3% are) × connection made (96%) × second flight not cancelled (1.2% are) and within 15 minutes (88%).
Total trip5h 39mIAD 10:21 to CMH 15:59, 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.