AA 4077 then OO 9912 at O'Hare
Akron → Chicago → Richmond
Timetable, Chicago time
07:21AA 4077 from Akron at the gate
07:30OO 9912 to Richmond leaves the gate
9 min apart on the timetable
The last days
AA 4077 and OO 9912 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.