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

Dulles → Louisville via Atlanta: arrives on time 71%

  1. 12:37 IAD → 14:34 ATL
    DL 1444 · Delta · 1h 56m · 83% on time, 3.6% cancelled
  2. 1h 51m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 16:25 ATL → 17:49 SDF
    DL 1126 · Delta · 1h 24m · 79% on time, 0.9% cancelled

Total trip 5h 12m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection94%The first flight arrived more than 66 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 51m layover.
Arrives on time71%First flight not cancelled (3.6% are) × connection made (94%) × second flight not cancelled (0.9% are) and within 15 minutes (79%).
Total trip5h 12mIAD 12:37 to SDF 17:49, 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.