The station broadcasts from a transmitter atop John Hancock Center and its studios are located at Two Prudential Plaza near Chicago's Millennium Park.

With a playlist of more than 5,000 songs from wide-ranging genres including blues, reggae, folk-rock, pop, and rock and roll, WXRT is considered a pioneer in the format.

'All Vinyl Saturday' began in 2016 to celebrate Record Store Day by playing individual songs and entire album sides non-stop for 12 hours.

The albums selected to be played are from the personal record collections of DJs Marty Lennartz, Frank E. Lee, Annalisa, Johnny Mars, Andy Chanley, Emma Mac, and Don Davis.

Bernard J. Sheil, D.D., of the Archdiocese of Chicago and general manager Jerry Keefe, radio format consisted of religious,[13] educational, news, talk, and CYO Boxing.

WFJL's facilities were located at the Lincoln Tower Building, 75 East Wacker Drive in Chicago, 600 feet (180 m)[14] above ground and had an effective radiated power of 29,000 watts.

[2] The station's studios and transmitter were located at the West Town State Bank Building at 2400 W. Madison in Chicago, and it had an ERP of 27,500 watts.

[15][26][27] The format as it exists today began in August 1972 as a nighttime-only freeform rock experiment, while a variety of ethnic programming continued to air during the daytime hours.

[28][29] The part-time progressive rock format was started by Don Bridges, who soon brought in Mitch Michaels and a bit later John Platt, Seth Mason, and Bob Schulman.

[43] In 1982, the station promoted "Mayor Jane Byrne April Fool Fest" on Navy Pier, promising live performances by multiple artists, some of whom were dead.