I've been running Debian on a MacBook Pro 11,1 for a couple of years and everything works great. The 7,2 Air has similar hardware and I would expect that you'll

I've been running Debian on a MacBook Pro 11,1 for a couple of years and everything works great. The 7,2 Air has similar hardware and I would expect that you'll have a good Debian experience. Battery life is slightly worse than running macOS but performance is slightly better.