F35 has a lower mission capability rate than the F-16, and it's not even close (< 50% vs 73%). They're complicated (overly) machines...The DOD industry has come a long ways from Edwards Demming.
According to the GAO, the F-35 has a much better MCR than the F-16. However, the UH-1N Huey has a higher mission capability rate than ALL of these aircraft. Be careful which metric you optimize for or you will be attempting to fight artillery with trebuchets.