It is owned by Salem Media Group and airs a Christian talk and teaching radio format.

Its daytime transmitter and two-tower array are located off Ballard Road near Interstate 294 in Des Plaines.

WYLL features programs from national religious leaders such as Dr. David Jeremiah, John MacArthur, Rick Warren, Chuck Swindoll and Jim Daly.

[7] For most of its history, WJJD was a daytimer, required to sign off at sunset in Salt Lake City, to protect clear-channel station, KSL.

[15][16] In 1933, the station was sold to a firm headed by Ralph Atlass, and its studios were moved to the Trustees System Service Building in Chicago.

[18] Lew Fonseca and Charlie Grimm broadcast Chicago Cubs baseball games on WJJD during the 1939 and 1940 seasons.

[46][47] In February 1982, WJJD adopted an adult standards format, and carried programming from the syndicated "Music of Your Life" network.

[51][52] The station was branded "Music of the Stars" and featured artists such as Frank Sinatra, the Count Basie Orchestra, Tony Bennett, Patti Page, the McGuire Sisters, Glenn Miller, Tommy Dorsey, Nat King Cole, and Barbra Streisand.

[59] Clark Weber joined WJJD in 1985, hosting a talk show weekday mornings, while adult standards continued to air in the remainder of the schedule.

[60][61][62][55] In April 1993, the station began airing G. Gordon Liddy's syndicated talk show middays.

[65][66] Hosts included Ed Vrdolyak, Ty Wansley, G. Gordon Liddy, David Brenner, the Don and Mike Show, Tom Leykis and Jim Bohannon.

[67] Ed Vrdolyak and Ty Wansley were moved from mornings, and replaced Don and Mike in the afternoon.

[67] On July 29, 1996, WJJD returned to an adult standards format, though it retained G. Gordon Liddy and Tom Leykis's programs.

[76][77] On August 15, 2000, 1160's call sign was changed to WXRT, and the station began simulcasting the adult album alternative programming of 93.1 WXRT-FM.

[81][82] In addition to the primarily national Christian talk and teaching programming heard on the station, Sandy Rios hosted a local talk show weekday afternoons on WYLL from 1994 to 2001 and again from 2007 to 2010, when she moved to Washington, D.C.[83][84] On April 7, 2005, WYLL's nighttime power was increased to 50,000 watts.