BA 1485 then EI 175 at Heathrow
Glasgow → London → Dublin
Timetable, London time
19:25BA 1485 from Glasgow at the gate
18:45EI 175 to Dublin leaves the gate
23 h 20 apart on the timetable, overnight
EI 175 leaves 23 h 20 after BA 1485 arrives on the timetable: more than half a day, so not a connection we count.