Thread title perhaps a little misleading, you seem to be talking specifically about the Airline/travel Industry.
Re: aviation industry as a whole, Russia still has a very large market for its Military aircraft, though appreciate that may change.
I wonder about the Space side?, is the west still reliant on Russian launch vehicles for its manned space flights to the ISS?, I know Western commercial Space flight is advancing fast but not sure its there yet.
Overall I think the Future of Russia's aviation industry outside of commercial travel depends on whether India and China change their relationships, Turkey is a wildcard as ever and I think will always play both sides