AA 2290 then MQ 4628 at Miami
Nashville → Miami → St Louis
Timetable, Miami time
09:25AA 2290 from Nashville at the gate
09:26MQ 4628 to St Louis leaves the gate
1 min apart on the timetable
The last days
AA 2290 and MQ 4628 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.