Following the events of the terrorist attacks on September 11 , 2001 the Federal Aviation Administration changed the rules for the landing and departure of general aviation aircraft at LaGuardia . Pilots operating a non-scheduled IFR flight are now required to make a reservation via the FAA 's e-CVRS system no more than 72 hours prior to the flight 's arrival or departure while public charter flights may make a reservation up to six months prior . Unscheduled IFR flights may only operate at LaGuardia with a reservation from the hours of 6:00 am to 9:59 pm local time Monday thru Friday and 12:00 pm to 9:59 pm local time on Sundays . Reservations for unscheduled IFR flights are not required all day on Saturdays . Aircraft without a reservation will be redirected to either Teterboro Airport or Linden Airport
terrorist attacks on September 11 , 2001
September 11 attacks
LaGuardia Airport