KX 122 then LL 2630 at Miami
Grand Cayman → Miami → Barcelona (BCN)
Timetable, Miami time
10:30KX 122 from Grand Cayman at the gate
02:45LL 2630 to Barcelona (BCN) leaves the gate
16 h 15 apart on the timetable, overnight
LL 2630 leaves 16 h 15 after KX 122 arrives on the timetable: more than half a day, so not a connection we count.