https://dailyhive.com/vancouver/vancouver-international-airport-yvr-passenger-volumes-summer-2025
After 2015, Vancouver was consistently handling more passenger air traffic than Montreal.
"Montreal is Canada’s second-biggest city. But last year, Vancouver Intl. handled 22.3 million passengers – seven million more than Montreal." https://www.internationalairportreview.com/article/33676/phil-fine-vancouver
https://en.wikipedia.org/wiki/List_of_the_busiest_airports_in_Canada#2023
https://en.wikipedia.org/wiki/List_of_the_busiest_airports_in_Canada#2022
https://en.wikipedia.org/wiki/List_of_the_busiest_airports_in_Canada#2021
https://en.wikipedia.org/wiki/Vancouver_International_Airport
https://en.wikipedia.org/wiki/Vancouver_International_Airport#Rapid_transit_(SkyTrain)