A few years before Chicago reached an agreement with the city’s airlines to overhaul O’Hare International Airport, New York officials jump-started a rebuild of LaGuardia Airport. After years of discussion, planning and a design competition for the New York airport, in 2015 a development team got the go-ahead to begin the first piece of what would come to be an $8 billion rebuild of most of LaGuardia. Nine years later, two new lauded terminals at the airport are open, and the last of the terminal work is set to be finished this year. In Chicago, the centerpiece of the O’Hare construction has stalled, mired in debate about cost overruns and how to move forward. The O’Hare overhaul, negotiated by then-Mayor Rahm Emanuel in 2018, included a broad rebuilding and expansion of the airport.