A guess but maybe the reason it looks like it’s mostly boeing is because enough people have started using the services that allow you to search based on plane type that non-boeing planes are filling up which means most space available is on boeing planes.
A guess but maybe the reason it looks like it’s mostly boeing is because enough people have started using the services that allow you to search based on plane type that non-boeing planes are filling up which means most space available is on boeing planes.