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

Boston → Louisville via Atlanta: arrives on time 75%

  1. 09:05 BOS → 11:49 ATL
    DL 456 · Delta · 2h 44m · 90% on time, 2.2% cancelled
  2. 4h 36m 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 8h 44m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 231 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 4h 36m layover.
Arrives on time75%First flight not cancelled (2.2% are) × connection made (99%) × second flight not cancelled (0.9% are) and within 15 minutes (79%).
Total trip8h 44mBOS 09:05 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.