UA 142 then UA 2004 at Denver
Tokyo → Denver → Chicago O'Hare
Timetable, Denver time
12:15UA 142 from Tokyo at the gate
15:14UA 2004 to Chicago O'Hare leaves the gate
2 h 59 apart on the timetable
Today
From the airport’s board at 16:23 Denver time
13:21UA 142 reached the gate1 h 06 late
18:32UA 2004 expected to leave the gate3 h 18 late
5 h 11 between the gates, on these times
The last days
UA 142 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.