MQ 4638 then AA 68 at Miami
Tampa → Miami → Madrid
Timetable, Miami time
20:51MQ 4638 from Tampa at the gate
15:30AA 68 to Madrid leaves the gate
18 h 39 apart on the timetable, overnight
AA 68 leaves 18 h 39 after MQ 4638 arrives on the timetable: more than half a day, so not a connection we count.