FR 275 then EI 125 at Dublin
Glasgow → Dublin → Chicago
Timetable, Dublin time
19:40FR 275 from Glasgow at the gate
15:50EI 125 to Chicago leaves the gate
20 h 10 apart on the timetable, overnight
EI 125 leaves 20 h 10 after FR 275 arrives on the timetable: more than half a day, so not a connection we count.