Over 1,537 flights in the U.S. were delayed and 61 cancelled due to widespread travel disruptions. The Nor'easter weather conditions caused additional cancellations on October 21. Ground delays piled up at East Coast airports, prompting airlines to issue waivers for Friday operations. Passengers faced significant disruptions as airlines worked to restore services. Airlines reported that the severe weather had a substantial impact on flight schedules. Passengers were advised to check their flight statuses before heading to the airport. The disruptions were expected to continue into the weekend, causing further annoyance for those with travel plans. Airlines are working to minimize the impact of the weather conditions on their operations. Passengers are encouraged to monitor their flight statuses as the situation develops. The disruptions highlight the difficulties faced by airlines during severe weather events. Travelers are advised to allow extra time for their journeys due to the disruptions. Airlines are working to resume normal operations as quickly as possible. The disruptions have caused significant annoyance for those with travel plans. Travelers are encouraged to stay updated their flight statuses as the situation continues to evolve. The delays are expected to continue into the weekend, causing further annoyance for those with travel plans.