LL 2629 then MQ 3573 at Miami
Barcelona (BCN) → Miami → Atlanta
Timetable, Miami time
01:00LL 2629 from Barcelona (BCN) at the gate
20:40MQ 3573 to Atlanta leaves the gate
19 h 40 apart on the timetable
MQ 3573 leaves 19 h 40 after LL 2629 arrives on the timetable: more than half a day, so not a connection we count.