My question involves criminal law for the state of: New York

I am a uk national with a possible warrant in new york. I was in nyc earlier this year, i stayed with a friend who turned out to be a nightmare. I stayed with him for a month and when i returned to the uk i was contacted by a nypd officer who said he is accusing me of stealing his stuff and that i had a warrant for grand lacernry. I knew this person had police friends so im too sure if this call was genuine. Anyway I am planning on going back to the usa soon, i want to get this taken care of as i have dont nothing wrong. will i be detained at the airport if i fly to atlanta instead of nyc?