AA 6263 then UA 3916 at O'Hare
Flint → Chicago → New Orleans
Timetable, Chicago time
06:30AA 6263 from Flint at the gate
07:00UA 3916 to New Orleans leaves the gate
30 min apart on the timetable
The last days
AA 6263 and UA 3916 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.