MQ 4306 then AA 857 at Miami
Merida → Miami → Washington National
Timetable, Miami time
15:28MQ 4306 from Merida at the gate
16:26AA 857 to Washington National leaves the gate
58 min apart on the timetable
The last days
MQ 4306 and AA 857 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.