Key Points
Americans faced major issues in travelling across the country as thunderstorms and unfavourable weather conditions led to flight cancellations and delays on Sunday..
According to FlightAware, three major airports serving New York City, namely Newark Liberty International, John F. Kennedy International and LaGuardia Airports were the most affected..
Newark Liberty International accounted for the highest number of flight cancellations in the US on Sunday..
John F. Kennedy International and LaGuardia Airports took the second and third place respectively in the country for the highest number of flight cancellations..