UB 19 then ET 608 at Bangkok
Yangon → Bangkok → Hanoi
Timetable, Bangkok time
16:20UB 19 from Yangon at the gate
13:30ET 608 to Hanoi leaves the gate
21 h 10 apart on the timetable, overnight
ET 608 leaves 21 h 10 after UB 19 arrives on the timetable: more than half a day, so not a connection we count.