AA 9950 then UA 3376 at O'Hare
Charlotte → Chicago → St Louis
Timetable, Chicago time
08:30AA 9950 from Charlotte at the gate
11:00UA 3376 to St Louis leaves the gate
2 h 30 apart on the timetable
Today
From the airport’s board at 21:51 Chicago time
10:46AA 9950 reached the gate2 h 16 late
12:03UA 3376 left the gate1 h 03 late
1 h 17 between the gates
The last days
AA 9950 and UA 3376 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.