AA 1204 then AA 9951 at O'Hare
Miami → Chicago → Charlotte
Timetable, Chicago time
07:42AA 1204 from Miami at the gate
12:00AA 9951 to Charlotte leaves the gate
4 h 18 apart on the timetable
Today
From the airport’s board at 13:13 Chicago time
07:59AA 1204 reached the gate17 min late
12:00AA 9951 due to leave, no estimate yet
4 h 01 between the gates, on these times
The last days
AA 1204 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.