It may not have snowed a flake in southwestern Pennsylvania, but Pittsburgh International Airport saw more than 100 flight cancellations Tuesday due to the blizzard hitting the East Coast.

PIT was one of the 20 hardest-hit airports in the U.S. in terms of cancellations, with FlightAware.com reporting 55 cancellations for outbound flights and 51 Pittsburgh-bound flights as of 7:30 a.m. Tuesday. There was also one delay. The top airports for cancellations are major destinations for PIT, including…