BY 2371 then FR 5271 at Manchester
Kos → Manchester → Barcelona
Timetable, Manchester time
01:30BY 2371 from Kos at the gate
18:35FR 5271 to Barcelona leaves the gate
17 h 05 apart on the timetable
FR 5271 leaves 17 h 05 after BY 2371 arrives on the timetable: more than half a day, so not a connection we count.