To check the real-time status of your flight in 2026, the most reliable method is to use your airline's official mobile app, which provides push notifications for gate changes, delays, or cancellations. You can also visit the airline's website and navigate to the "Flight Status" tab, where you simply enter your flight number or your PNR (Passenger Name Record). For a broader view, third-party "aggregator" apps like FlightRadar24 or FlightAware allow you to track the physical location of the incoming aircraft, which often gives you a "head start" on knowing if a delay is imminent before the airline officially announces it. Additionally, you can check the departure board on your departure airport's website. If you are already at the airport, keep a close eye on the physical FIDS (Flight Information Display System) monitors, as these are the ultimate source of truth for gate assignments and boarding times.