UA 4672 then AA 9951 at O'Hare
Lexington → Chicago → Charlotte
Timetable, Chicago time
07:56UA 4672 from Lexington at the gate
12:00AA 9951 to Charlotte leaves the gate
4 h 04 apart on the timetable
Today
From the airport’s board at 21:35 Chicago time
09:50UA 4672 reached the gate1 h 54 late
16:53AA 9951 left the gate4 h 53 late
7 h 03 between the gates
The last days
UA 4672 and AA 9951 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.