Just a few years ago, many people considered LaGuardia Airport as one of the worst airports in the country. However, after its $8 billion transformation, it has gone from worst to first. Forbes Travel Guide has ranked LaGuardia Airport as the best airport in the U.S. At Delta Terminal C, they just put the finishing touches on all the restaurants and shops. Travelers at LaGuardia Airport (LGA) in the Queens borough of New York, US, on Thursday, June 8, 2023.