Use a phone app to see the plane's flight number, airline, and destination

The fastest way to identify a plane overhead is to open Flightradar24 or FlightAware on your phone. Both apps show a live map of aircraft in the sky near you, updated every few seconds. Point your phone upward, tap the plane icon on the map, and the app displays the flight number, aircraft type, airline, current altitude, speed, and where it is headed.

Flightradar24 is free with ads; a paid version removes ads and adds features like historical flight tracking. FlightAware is also free and works similarly. Both apps use data from ground-based radar and aircraft transmitters, so coverage is strongest near major airports and weaker in remote areas.

If you do not have a smartphone, you can use a computer browser to visit Flightradar24.com or FlightAware.com and search by your city or airport code. The map will show all active flights in that region.

Key Takeaways

  • Flightradar24 and FlightAware are free apps that show live aircraft positions, flight numbers, and destinations on a map you can view from your phone.
  • Both apps work best near airports and in populated areas where radar coverage is dense; rural areas may show fewer or no aircraft.
  • You can also visit the websites on a computer to search by airport code or city name instead of using your phone's location.
  • The flight number, aircraft type, and airline appear when you tap an aircraft icon on the map.

What information you can see about each flight

When you tap a plane on either app, a panel opens showing the flight number (for example, United 447), the aircraft model (Boeing 737, Airbus A320), the airline, the departure airport, the destination airport, current altitude in feet, ground speed in knots or miles per hour, and the direction it is heading. Some apps also show whether the flight is on time, delayed, or cancelled.

The flight number is the most useful piece of information if you want to track a specific plane. You can search that number on the airline's website to see if the flight is delayed or to look up its scheduled arrival time. The aircraft type tells you the size and range of the plane — a regional turboprop like a Dash 8 is smaller and slower than a wide-body jet like a Boeing 777.

Why some planes do not appear on these apps

Military aircraft, private jets, and some government flights do not broadcast their location to public tracking systems. If you see a plane but it does not show up on Flightradar24 or FlightAware, it is likely one of these types. Small private planes and helicopters may also not appear if they are flying below the altitude where radar can detect them or if they are not equipped with the required transmitter.

Commercial airline flights are required by law to broadcast their position, so nearly all passenger planes will show up on these apps. Cargo flights operated by airlines like FedEx and UPS also appear because they use the same broadcast system.

How to identify a plane by sight if you do not have an app

If you cannot use an app, you can narrow down what you are seeing by looking at the plane's shape and sound. Large commercial jets have two, three, or four engines and a distinctive fuselage shape. A plane with two engines and a narrow body is likely a Boeing 737 or Airbus A320 — the most common commercial aircraft. A plane with four engines is usually a larger aircraft like a Boeing 747 or Airbus A380, typically used on long international routes.

The sound of the engines also gives clues. Jet engines produce a high-pitched whine that grows louder as the plane approaches and fades as it moves away. Turboprop engines (used on smaller regional planes) produce a lower, rhythmic sound. Helicopters have a distinctive thumping rotor sound that is hard to mistake for anything else.

The flight path can also tell you something. Planes approaching an airport fly in a predictable descent pattern and are usually lower and slower. Planes climbing away from an airport are ascending steeply and accelerating. Planes at cruising altitude fly in a straight line at a constant height and speed.

Coverage differences between Flightradar24 and FlightAware

Flightradar24 has more extensive radar coverage in Europe and parts of Asia because it relies on a network of community-operated receivers in addition to official radar. In North America, both apps have similar coverage because they both access FAA radar data. FlightAware has slightly better coverage of smaller regional airports in the United States.

For most readers in the United States, either app will show the same planes. The choice between them often comes down to interface preference — Flightradar24's map is slightly more intuitive for beginners, while FlightAware's interface is more detailed for people who track flights regularly.

What to do if you want to track a specific flight

If you know the flight number in advance (for example, because someone you know is on that flight), you can search for it by number on either app or on the airline's website. Enter the flight number and date, and the app will show you the current position, estimated arrival time, and whether it is on schedule.

You can also set up alerts on FlightAware to notify you when a specific flight departs, lands, or is delayed. This is useful if you are picking someone up from the airport or waiting for a package to arrive on a cargo flight. Flightradar24 offers similar features in its paid version.

Frequently Asked Questions

Can I see a plane on the app if it is too high to hear?

Yes. Planes at cruising altitude (around 35,000 feet) are often too high to hear clearly from the ground, but they still appear on the app because they broadcast their position continuously. You may see a plane on the map that you cannot see or hear in the sky.

Why does the app show a plane that I cannot see in the sky?

The plane may be above the cloud layer, flying at night when it is invisible against the dark sky, or too far away to see even though it is in your region. Planes can be detected by radar from much farther away than the human eye can see them.

Do these apps work if I do not have internet?

No. Both Flightradar24 and FlightAware require an active internet connection to read the live map and aircraft data. They do not work offline.

Can I use these apps to track a specific person on a plane?

You can track the flight itself using the flight number, but you cannot identify individual passengers or see which seat someone is sitting in. The apps show only the aircraft's location and flight information, not passenger details.