OD 523 then OD 2205 at Kuala Lumpur
Bangkok Don Mueang → Kuala Lumpur → Langkawi
Timetable, Kuala Lumpur time
16:10OD 523 from Bangkok Don Mueang at the gate
12:15OD 2205 to Langkawi leaves the gate
20 h 05 apart on the timetable, overnight
OD 2205 leaves 20 h 05 after OD 523 arrives on the timetable: more than half a day, so not a connection we count.