Severe thunderstorms across New York caused hundreds of cancellations at EWR, JFK and LGA. Five Dublin flights were cancelled, including two Aer Lingus and one United service. New York airports recorded 1,247 cancellations in July 2026, 34% above average. Severe thunderstorms across the New York metropolitan area, combined with ongoing air traffic control staffing shortages, have caused hundreds of flight cancellations at major US East Coast hubs. The disruption has affected services to and from Dublin, with five Aer Lingus and other European flights cancelled on 28 July 2026..