Airports
Airlines’ Capacity Discipline Exacts Toll on Airports
A new class of ultra-low-cost carriers such as Spirit Airlines is serving smaller airports where network carriers have scaled back. (Photo: Spirit Airlines)
A new class of ultra-low-cost carriers such as Spirit Airlines is serving smaller airports where network carriers have scaled back. (Photo: Spirit Airlines)

U.S. airlines have managed to stay profitable during a period of recession and spiking fuel prices, but small- and medium-sized airports have paid the price in reduced domestic air service, according to a Massachusetts Institute of Technology (MIT) study.