RX 853 then ET 608 at Bangkok
Riyadh → Bangkok → Hanoi
Timetable, Bangkok time
09:35RX 853 from Riyadh at the gate
13:30ET 608 to Hanoi leaves the gate
3 h 55 apart on the timetable
The last days
RX 853 and ET 608 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.