India, Oct. 13 -- Major US airports have delayed flights on Monday due to extreme weather, causing substantial delays for travelers.

The average delay for aircraft departing from New York's LaGuardia (LGA) Airport is more than two hours, while some flights are being held for almost four hours, Daily Mail reported.

There is a 60 percent possibility that these delays may be prolonged, the Federal Aviation Administration (FAA) said.

The warning comes as East Coast is experiencing severe gusts and heavy rainfall due to the nor'easter.

Strong winds have also prompted the FAA to impose a ground stop at Boston Logan Airport (BOS) until at least 11 a.m. ET.

Although some aircraft are already delayed up to six hours and 33 minutes, the averag...