ArriveCAN info query. Please help!!

[adhik]

My flight is from Kathmandu to Istanbul and Istanbul to Vancouver. Do I give the flight number of the one going to Istanbul or the one going to Vancouver? Thanks in advance.

 

[Simba112]

My flight is from Kathmandu to Istanbul and Istanbul to Vancouver. Do I give the flight number of the one going to Istanbul or the one going to Vancouver? Thanks in advance.

one to YVR