New York’s LaGuardia Airport ranked worst, with 7.7% of all flights cancelled during this time, according to recently collected data, which was sent to Insider.

Newark Liberty International in New Jersey followed closely behind, with 7.6% of flights cancelled between the end of May and mid-July, per the data.

During the same period, 5.9% of flights were called off at Ronald Reagan Washington National Airport in Virginia, which came third in the rankings, the data showed.

Data showed Pittsburgh International Airport ranked fourth, with 4.1% of flights being cancelled between May-end and mid-July, Boston Logan International Airport scrapped 4% of flights.

Both Charlotte Douglas International Airport and Philadelphia International Airport cancelled 3.8% of all their flights.

Meanwhile, Miami International Airport and Cleveland Hopkins International Airport both called off 3.7% of all flights between May 27 and July 15, the data showed.

Finally, John F. Kennedy International Airport had 3.6% of flights cancelled, according to the data.