I have not tried installing Linux on a more recent MacBook Pro (USB-C generation) so I couldn't tell, but I remembered it took around an hour with Arch Linux's default config (e.g. "let's compile this and go have a breakfast & make a coffee and hope it's done")
Went to lunch and timed a compile of the linux kernel (v3.19) (default options) at 14 minutes on my 13" 2015 macbook pro. (3.1 GHz Intel Core i7, 16GB RAM).
as a rough reference, it took about 35 minutes to build the linux kernel on my xps 13 a few years ago. that computer has a 2C/4T kaby lake processor. your macbook pro might be a little faster if it doesn't have one of the ultra low power CPUs.