[3] Weekdays begin with a news and interview show, "The Vinnie Penn Project", simulcast on co-owned WPOP in Hartford.

With the enactment of the North American Regional Broadcasting Agreement (NARBA) in 1941, WELI and most other radio stations, were required to move to a different frequency.

WELI was a network affiliate of the Mutual Broadcasting System, carrying its dramas, comedies, news and sports during the "Golden Age of Radio".

[7][8] Other musicians heard regularly on WELI in the 1930s and 1940s included organist Marion J. Reynolds, who was the station's musical director since its first day, pianist Margaret Shepard, the Esther String Trio, the Continental Trio directed by violinist Sy Byer, Ray Block's Swing Fourteen, and Charles Magnante's accordion quartet.

with Elida Sterling, about novels, Stories of the Stars with Lewis Doolittle, about astronomy, and Theater News on the Air about live performances.

WELI also aired many local sports games and tournaments, including tennis, golf, basketball, and baseball.

[13] For much of the 1960s and 1970s, WELI had a full service, middle of the road format of popular adult music, news, talk and sports.

But with Clear Channel ownership, the station scaled back its music programming, adding more talk shows.