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

Boston → Louisville via Chicago: arrives on time 50%

  1. 15:59 BOS → 17:54 ORD
    AA 1479 · American · 2h 55m · 50% on time, 0.0% cancelled
  2. 1h 35m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 19:29 ORD → 22:04 SDF
    AA 4603 · American, flown by Republic · 1h 35m · 75% on time, 4.3% cancelled

Total trip 6h 05m, scheduled departure to arrival. Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.

Makes the connection69%The first flight arrived more than 50 minutes late on 31% of the days it flew: too late for the 45-minute minimum connection on a 1h 35m layover.
Arrives on time50%First flight not cancelled (0.0% are) × connection made (69%) × second flight not cancelled (4.3% are) and within 15 minutes (75%).
Total trip6h 05mBOS 15:59 to SDF 22:04, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.