Or put the dock on the right side of the screen. In my experience, 13.3" MBA is fine for many applications. A little smaller (eg 12.5") might still be usable.

Or put the dock on the right side of the screen. In my experience, 13.3" MBA is fine for many applications. A little smaller (eg 12.5") might still be usable. 11" would not work with current MacOS.