FR 6839 then U2 2139 at Manchester
Prague → Manchester → Antalya
Timetable, Manchester time
17:25FR 6839 from Prague at the gate
13:25U2 2139 to Antalya leaves the gate
20 h apart on the timetable, overnight
U2 2139 leaves 20 h after FR 6839 arrives on the timetable: more than half a day, so not a connection we count.