The effects of Delta 8 THC can last for up to five hours but the compound can take a lot longer to leave your system. When you use THC, it leaves small molecules called metabolites in your body and these can stick around for a week or longer.
Research shows that about 80 to 90 percent of the THC is flushed out within five days but it may take another five days for the remaining 10 to 20 percent to be flushed out.