One America News' media bias rating is lean right. The network was established in 2013 in partnership with The Washington Times to provide journalism for a conservative and center-right audience. OAN airs 24 hour cable news coverage as well; however, as with all of our sources, AllSides only analyzes and rates the online journalism.
Sources:
Hagey, Keach. 2013, March 14. Herring Plans to Launch New Conservative News Network. Wall Street Journal. Retrieved from https://www.wsj.com/articles/SB10001424127887324392804578358743706989224
Wikipedia: One America News Network