Opening up after Covid?

I know there must be more air travel and people going from place to place because today for the first time in I can’t remember how long, I saw three aircraft in the sky at the same time high up above. I think that this part of the Yukon must be a regular route over the pole to Europe. Before Covid we would see strings of aircraft like beads on threads of contrails headed across this sky in one direction or another,  but only lately have I seen any at all. And today walking the dog three!