U2 3173 then KL 621 at Schiphol
Glasgow → Amsterdam → Atlanta
Timetable, Amsterdam time
17:40U2 3173 from Glasgow at the gate
17:10KL 621 to Atlanta leaves the gate
23 h 30 apart on the timetable, overnight
KL 621 leaves 23 h 30 after U2 3173 arrives on the timetable: more than half a day, so not a connection we count.