How soon until blooming is determined by plant genetics, and your cultural conditions, so there will be no good answers forthcoming. If you do things well, I’d say you’re looking at
at least 2 or 3 years, likely longer.
Orchids are what I refer to as “Goldilocks plants”. Each one has its own set of “just right” cultural parameters. Hit them all perfectly, and they’ll grow and bloom to their maximum, genetically programmed maximum; miss any of them, and they won’t.
You might find
this article of value.