8K 801 then TG 42 at Bangkok
Singapore → Bangkok → Khon Kaen
Timetable, Bangkok time
22:158K 801 from Singapore at the gate
10:25TG 42 to Khon Kaen leaves the gate
12 h 10 apart on the timetable, overnight
TG 42 leaves 12 h 10 after 8K 801 arrives on the timetable: more than half a day, so not a connection we count.