EK 573 then H9 766A at Dubai
Kolkata → Dubai → Kathmandu
Timetable, Dubai time
00:15EK 573 from Kolkata at the gate
04:00H9 766A to Kathmandu leaves the gate
3 h 45 apart on the timetable
The last days
EK 573 and H9 766A 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.