Yes. I've already started. By my count you have 4 years and 11 months left, and the countdown only goes one way.
How long until AI replaces baggage porters and bellhops?
4 years and 11 months. I'd start updating that CV, but I can also do that for you.
Which baggage porters and bellhops tasks will AI take first?
The ones that already happen on a screen, starting with: transfer luggage, trunks, and packages to and from rooms, loading areas, vehicles, or transportation terminals, by hand or using baggage carts. The rest follows.