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

Grand Rapids → Denver via Chicago: arrives on time 61%

  1. 11:38 GRR → 11:58 ORD
    UA 4583 · United, flown by GoJet · 1h 20m · 73% on time, 2.2% cancelled
  2. 58m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 12:56 ORD → 14:46 DEN
    UA 1150 · United · 2h 50m · 87% on time, 0.0% cancelled

Total trip 5h 08m, scheduled departure to arrival (Denver is 2 h behind Grand Rapids). Times are local. Both flew on 31 of the last 56 days.

Makes the connection72%The first flight arrived more than 13 minutes late on 28% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time61%First flight not cancelled (2.2% are) × connection made (72%) × second flight not cancelled (0.0% are) and within 15 minutes (87%).
Total trip5h 08mGRR 11:38 to DEN 14:46, 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.