WFLD first signed on January 4, 1966 as an independent station owned by Field Communications, a subsidiary of Field Enterprises that was originally the parent company of the Chicago Sun-Times.
1968–1972
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1972–1977
Kaiser Broadcasting took control of WFLD after Field sold controlling interest to them in May 1972, a deal that was completed in July 1973.
1977–1983
Field Communications regained control of WFLD in 1977, when Kaiser Broadcasting was merged into Field Enterprises. This logo design was shared with its sister stations at the time.
1983–1984
In 1982, Field sold all of its stations (except WKBS-TV, which would eventually shut down) as part of its liquidation. In September of that year, Field sold off WFLD, which went to Metromedia in March 1983.
In 1993, WFLD began de-emphasizing references to the number 32, and began referring to itself simply as Fox Chicago.
1994–1997
In 1994, WFLD changed its branding to Fox Thirty-Two, with the channel number being spelled as a hyphened word, a rare example of a TV station in the U.S. rendering their channel number as such.
1997–2006
In 1997, WFLD reverted back to its Fox Chicago branding.
2006–2012
2012–2020
After spending 20 years being branded as Fox Chicago under some capacity, WFLD reverted back to the Fox 32 branding on November 12, 2012. The logo was again updated to match its sister stations as a result.