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

Chicago → Louisville via Boston: arrives on time 83%

  1. 08:30 ORD → 12:07 BOS
    AA 4106 · American, flown by Envoy · 2h 37m · 91% on time, 0.0% cancelled
  2. 1h 52m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 13:59 BOS → 16:40 SDF
    AA 3438 · American, flown by Envoy · 2h 41m · 84% on time, 0.0% cancelled

Total trip 7h 10m, scheduled departure to arrival (Louisville is 1 h ahead of Chicago). Times are local. Both flew on 40 of the last 56 days.

Makes the connection99%The first flight arrived more than 67 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 1h 52m layover.
Arrives on time83%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (84%).
Total trip7h 10mORD 08:30 to SDF 16:40, 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.