UA 459 then UA 2004 at Denver
Portland (Oregon) → Denver → Chicago O'Hare
Timetable, Denver time
08:30UA 459 from Portland (Oregon) at the gate
15:14UA 2004 to Chicago O'Hare leaves the gate
6 h 44 apart on the timetable
Today
From the airport’s board at 23:45 Denver time
08:15UA 459 reached the gate15 min early
18:24UA 2004 left the gate3 h 10 late
10 h 09 between the gates
The last days
UA 459 and UA 2004 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.