AA 4783 then UA 5618 at O'Hare
Baltimore → Chicago → Washington National
Timetable, Chicago time
12:59AA 4783 from Baltimore at the gate
14:00UA 5618 to Washington National leaves the gate
1 h 01 apart on the timetable
The last days
AA 4783 and UA 5618 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.