The final Conan vs. Leno score when 34 calendar weeks are compared? Conan: 22, Leno: 4. “After 34 weeks of calendar overlap Conan O’Brien’s (2009-10) Tonight Show adults 18-49 ratings were ahead of Jay Leno’s (2010-11) Tonight Show ratings on 22 of 34 weeks, Jay Leno’s were ahead on 4 weeks. On 8 weeks their ratings were tied.â€
