Hey @megapunch5858,
There isn't a built in way to delete your Apex Legends progress. You could in theory delete your EA account and make a new one I suppose, but you'd lose absolutely everything on the account, so I wouldn't recommend that, especially since everything you can unlock in Apex is just cosmetic (Other than legends, I suppose).
If you play on console, I'd recommend doing that even less, since Apex has been known to get very unstable if you unlink your account and link it elsewhere.
If you're absolutely certain that you want to delete your account,...
Read more