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

Louisville → Dulles via Chicago: arrives on time 50%

  1. 19:55 SDF → 20:40 ORD
    UA 4563 · United, flown by GoJet · 1h 45m · 77% on time, 6.4% cancelled
  2. 1h 00m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 21:40 ORD → 00:45 IAD +1 day
    UA 2766 · United · 2h 05m · 69% on time, 0.0% cancelled

Total trip 4h 50m, scheduled departure to arrival. Times are local. Both flew on 36 of the last 56 days.

Makes the connection77%The first flight arrived more than 15 minutes late on 23% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time50%First flight not cancelled (6.4% are) × connection made (77%) × second flight not cancelled (0.0% are) and within 15 minutes (69%).
Total trip4h 50mSDF 19:55 to IAD 00:45, 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.