For the latest information on United Airlines flights cancelled today, May 18, 2025, you can check live updates on FlightAware's dedicated page for cancelled United flights, which lists flight identifiers, origins, destinations, and scheduled departure times of cancelled flights

. United Airlines also provides a flight status tool on their official website where you can search by route or flight number to see if your specific flight is cancelled or delayed

. If you have a cancelled United flight, the airline offers options to rebook via their app or website, and customer service is available 24/7 to assist with changes, refunds, or accommodations such as hotel and meal vouchers if eligible

. For real-time disruption at airports affecting United flights, Flightradar24 provides an airport disruption map showing cancellations and delays

. To get the most accurate and up-to-date list of cancelled United flights today, visiting FlightAware's live cancellation page or United's official flight status page is recommended.