United Airlines offers a wide range of groups to manage several passengers at the time of boarding. However, there are a lot of queries that have been asked by the flyers that How many boarding groups does United have? To conclude this, it has been clarified by the airline that there are a total of 6 boarding groups available for the passengers, including a pre-boarding option. Passengers get assigned to a particular group, and they have to board the plane according to that. For more information about the boarding groups of United Airlines, flyers can read the blog mentioned by Group Travel Airlines.