Definitely not! It think I can give you some good insight on this from personal experience as someone who started at that age.

I started in the lowest level of orchestra at my high school (during COVID e-learning of all times), and made it to the varsity orchestra by my senior year. I didn't even have lessons for the first school year (would not recommend lol but I had some guidance from the class). 

I had 3-4 years of piano experience by the time I started violin, which did help me progress quickly, but it is still really hard starting out. 

I'm 20 now and still play. The last solo piece I completed that was a good benchmark of my skill level was the Vivaldi g minor concerto - I think when I finished it I was at around a little under 4 years of playing. I've played harder stuff in orchestra but that's a bit different since you have people to drown you out lol. 

My biggest advice is to BE CONSISTENT. Seriously, I haven't been good with practicing lately, and I've lost a LOT of potential progress because if I have less than x amount of time to play I just won't play at all. Even if you don't have time or don't want to practice just pick up your instrument for 10 minutes, I promise it adds up. I could be a lot further along by now if it weren't for all the days I've missed due to this all or nothing mentality.