A digital flight schedule board shows canceled and delayed flights at Terminal C after a power outage affected sections at LaGuardia International Airport in New York July 24, 2015.

A power outage at New York's LaGuardia Airport on Friday is causing delays of up to three hours for some arriving planes.

"Due to current power outages affecting airlines operating in Terminal C, Parking Lots 4 and 5, flight disruptions may result. Please check with your airline to determine if your flight is affected," LaGuardia Airport said.