UA 2802 then OO 9908 at O'Hare
Houston → Chicago → Milwaukee
Timetable, Chicago time
10:10UA 2802 from Houston at the gate
12:00OO 9908 to Milwaukee leaves the gate
1 h 50 apart on the timetable
Today
From the airport’s board at 22:51 Chicago time
09:45UA 2802 reached the gate25 min early
12:51OO 9908 left the gate51 min late
3 h 06 between the gates
The last days
UA 2802 and OO 9908 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.