AA 4524 then UA 5830 at O'Hare
Memphis → Chicago → Fort Wayne
Timetable, Chicago time
16:25AA 4524 from Memphis at the gate
19:55UA 5830 to Fort Wayne leaves the gate
3 h 30 apart on the timetable
The last days
AA 4524 and UA 5830 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.