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

Detroit → Louisville via Dulles: arrives on time 75%

  1. 10:13 DTW → 11:50 IAD
    UA 3500 · United, flown by Republic · 1h 37m · 93% on time, 0.0% cancelled
  2. 58m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 12:48 IAD → 14:37 SDF
    UA 3980 · United, flown by Mesa · 1h 49m · 82% on time, 0.4% cancelled

Total trip 4h 24m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection91%The first flight arrived more than 13 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time75%First flight not cancelled (0.0% are) × connection made (91%) × second flight not cancelled (0.4% are) and within 15 minutes (82%).
Total trip4h 24mDTW 10:13 to SDF 14:37, 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.