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

Denver → Dayton via Chicago: arrives on time 41%

  1. 16:29 DEN → 20:14 ORD
    UA 675 · United · 2h 45m · 58% on time, 0.0% cancelled
  2. 1h 06m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 21:20 ORD → 23:49 DAY
    UA 4589 · United, flown by GoJet · 1h 29m · 69% on time, 7.2% cancelled

Total trip 5h 20m, scheduled departure to arrival (Dayton is 2 h ahead of Denver). Times are local. Both flew on 56 of the last 56 days.

Makes the connection64%The first flight arrived more than 21 minutes late on 36% of the days it flew: too late for the 45-minute minimum connection on a 1h 06m layover.
Arrives on time41%First flight not cancelled (0.0% are) × connection made (64%) × second flight not cancelled (7.2% are) and within 15 minutes (69%).
Total trip5h 20mDEN 16:29 to DAY 23:49, 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.