Outside of New York, three runways were opening this week at other major airports: Seattle-Tacoma InternationalAirport, Washington Dulles InternationalAirport and Chicago O'Hare InternationalAirport.
Regional airlines fly 64% of the takeoffs and landings at Chicago's O'Hare International, 74% at Seattle-Tacoma and 52% at New York's LaGuardia Airport.