I think a better question would be “How early is too early to arrive for Mass?”
In my case, I serve alternate sundays and sing in the choir. We are there usually around 8.35 a.m ish because our service starts at 9am. Last week we were all early in the serving team somehow though I was usual time. The priest jokingly complained about us all being early, mainly because we were all twiddling our thumbs so to speak for five minutes or so. So I, being me said to him, “okay then we will all get here at 5 to 9 next week then.”
He had the grace to hear what I said as point taken.

I think people give or take few minutes but somewhere between quarter to and ten to if the service starts on the hour. You got to give yourself time to get in and adust to where you are, shake off the fidgets and the outside world etc. If you use lots of prayers before service all of these ought to be done before the bell at beginning of service is rung etc in my opinion of course.
And of course being a server or choir means am not first out though sometimes the first into vestry
Unless you have to work on Sunday, why not arrive early and stay late? My own rule of thumb is to get there before the priest and leave after him. Take time to rest in the presence of the Lord.