AA 5471 then UA 4632 at Atlanta
Washington National → Atlanta → Chicago O'Hare
Timetable, Atlanta time
08:30AA 5471 from Washington National at the gate
11:05UA 4632 to Chicago O'Hare leaves the gate
2 h 35 apart on the timetable
The last days
AA 5471 and UA 4632 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.