To me it seems if we see orbital success in the next 5 yrs, mass production of starship thereafter and SpaceX sticking to their Earth-to-Earth transport idea - this seems plausible. Airliners developed about as quick, but then again its a far harder environment - it's nice to dream.
[1] https://www.youtube.com/watch?v=zqE-ultsWt0
(edit rambling on about the wrong system)