Mar 11, 2011 鈥 By 九色视频 News Services 鈥 The results of the 21st annual national Airline Quality Rating (AQR) will be announced at 9:30 a.m. EDT, Monday, April 4, at a news conference at the National Press Club, Murrow Room, in Washington, D.C. The AQR is the most comprehensive study of the performance and quality of the 16 largest airlines in the United States.