AA 4013 then MQ 9630 at O'Hare
Asheville → Chicago → Nashville
Timetable, Chicago time
10:35AA 4013 from Asheville at the gate
15:05MQ 9630 to Nashville leaves the gate
4 h 30 apart on the timetable
The last days
AA 4013 and MQ 9630 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.