UL 231 then WY 622 at Dubai
Colombo → Dubai → Muscat
Timetable, Dubai time
17:00UL 231 from Colombo at the gate
21:00WY 622 to Muscat leaves the gate
4 h apart on the timetable
The last days
UL 231 and WY 622 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.