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

Dulles → Louisville via Atlanta: arrives on time 79%

  1. 12:37 IAD → 14:34 ATL
    DL 1444 · Delta · 1h 56m · 83% on time, 3.6% cancelled
  2. 3h 25m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 17:59 ATL → 19:24 SDF
    DL 2831 · Delta · 1h 25m · 84% on time, 0.6% cancelled

Total trip 6h 47m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection97%The first flight arrived more than 160 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 25m layover.
Arrives on time79%First flight not cancelled (3.6% are) × connection made (97%) × second flight not cancelled (0.6% are) and within 15 minutes (84%).
Total trip6h 47mIAD 12:37 to SDF 19:24, 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.