To determine if your flight has been cancelled in 2026, you should first check the official airline mobile app, which is the fastest and most reliable source of truth. Airlines push notifications to the app often before they send emails or update airport boards. You can also visit the "Manage Booking" or "Flight Status" section on the airline's website; if the status says "Cancelled" or "Contact Carrier," the flight is grounded. Another effective method is to use a third-party tracking site like FlightAware or FlightRadar24, which provides real-time radar data and can show if your incoming aircraft was diverted or never took off. If you suspect a cancellation but haven't received an alert, check your email (including spam) and SMS messages. In 2026, most carriers are legally required in many regions to notify you promptly, but technical glitches can happen, so cross-referencing the "Live Departures" board on the official airport website is the ultimate way to verify if the flight is still scheduled to fly.