Birth control pill/ plan b

I don’t take my pill exactly at the time everyday (it’s usually 1-3 hours of range that I do) I had unprotected sex with my bf and he came in me a ton..... I took a plan B just Incase my pills don’t work..... how worried should I be? I have a “high risk” for pregnancy on my <a href="https://play.google.com/store/apps/details?id=com.glow.android">glow app</a>