tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Louisville → Boston via Washington: arrives on time 80%

  1. 06:00 SDF → 07:50 DCA
    AA 4549 · American, flown by Republic · 1h 49m · 91% on time, 1.4% cancelled
  2. 2h 10m layover in Washington (DCA) · 90 min minimum on separate tickets
  3. 10:00 DCA → 11:43 BOS
    DL 5611 · Delta, flown by Republic · 1h 43m · 85% on time, 0.0% cancelled

Total trip 5h 43m, scheduled departure to arrival. Times are local. Both flew on 47 of the last 56 days.

Makes the connection96%The first flight arrived more than 40 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 2h 10m layover.
Arrives on time80%First flight not cancelled (1.4% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip5h 43mSDF 06:00 to BOS 11:43, 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.