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

Denver → Richmond via Chicago: arrives on time 47%

  1. 13:25 DEN → 17:05 ORD
    UA 617 · United · 2h 40m · 68% on time, 1.4% cancelled
  2. 1h 05m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 18:10 ORD → 21:27 RIC
    UA 1583 · United · 2h 17m · 66% on time, 0.8% cancelled

Total trip 6h 02m, scheduled departure to arrival (Richmond is 2 h ahead of Denver). Times are local. Both flew on 56 of the last 56 days.

Makes the connection73%The first flight arrived more than 20 minutes late on 27% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time47%First flight not cancelled (1.4% are) × connection made (73%) × second flight not cancelled (0.8% are) and within 15 minutes (66%).
Total trip6h 02mDEN 13:25 to RIC 21:27, 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.