Delta Air Lines Just Made a Bold New Fare Announcement. The Explanation Goes Back 177 Years

There are really only two business models: bundling, and unbundling.

EXPERT OPINION BY BILL MURPHY JR., FOUNDER OF UNDERSTANDABLY AND CONTRIBUTING EDITOR, INC. @BILLMURPHYJR

SAN FRANCISCO, CALIFORNIA – MAY 12: A Delta Airlines plane is on air at San Francisco International Airport (SFO) in San Francisco, California, United States on May 12, 2026. (Photo by Tayfun Coskun/Anadolu via Getty Images)

This is a story about Delta Air Lines and a 19th century French economist.

Delta Air Lines first: The airline........

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