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

Washington → Louisville via Chicago: arrives on time 30%

  1. 19:10 DCA → 20:32 ORD
    UA 1193 · United · 2h 22m · 58% on time, 4.8% cancelled
  2. 53m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 21:25 ORD → 23:59 SDF
    UA 3659 · United, flown by Republic · 1h 34m · 73% on time, 11.1% cancelled

Total trip 4h 49m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection49%The first flight arrived more than 8 minutes late on 51% of the days it flew: too late for the 45-minute minimum connection on a 53m layover.
Arrives on time30%First flight not cancelled (4.8% are) × connection made (49%) × second flight not cancelled (11.1% are) and within 15 minutes (73%).
Total trip4h 49mDCA 19:10 to SDF 23:59, 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.