EK 737 then EK 803 at Dubai
Muscat → Dubai → Jeddah
Timetable, Dubai time
09:10EK 737 from Muscat at the gate
13:45EK 803 to Jeddah leaves the gate
4 h 35 apart on the timetable
The last days
EK 737 and EK 803 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.