Free Flight Tracker

August 31, 2026 · 16 min read

Free Flight Tracker: How to Track Any Plane or Private Jet Online

A free flight tracker lets you follow aircraft almost anywhere in the world using a phone, tablet or computer. You can check an airline flight by flight number, watch aircraft moving across a live radar map, search by airport or track a private jet using its registration—commonly called a tail number.

Popular services such as ADS-B Exchange, Flightradar24 and FlightAware provide free access to live aircraft positions. However, each platform uses different data sources, filters and privacy policies, so a plane that appears on one tracker may be missing from another.

This guide explains how flight tracking works, how to track commercial and private aircraft for free, and how to search for a private jet by its tail number on ADS-B Exchange.

Quick answer: how can I track a flight for free?

The easiest method depends on the information you already have:

• Airline and flight number: Search on FlightAware or Flightradar24.
• Departure and arrival airports: Use FlightAware’s route search.
• Aircraft flying overhead: Open a live map, zoom into your location and select the aircraft.
• Private jet tail number: Enter the registration into ADS-B Exchange.
• ICAO hex code: Search it on ADS-B Exchange when the registration is unavailable.
• Airport activity: Search the airport’s IATA or ICAO code to view arrivals and departures.

For example, if you want to track American Airlines flight AA100, enter “AA100” into a flight tracker. If you want to track a private jet registered as N123AB, search for “N123AB.”

1. ADS-B Exchange

ADS-B Exchange is particularly useful for private aviation, cargo, government and other aircraft that may not be easily visible on conventional airline-focused trackers.

The live map may display:

• Aircraft registration or tail number
• ICAO hex code
• Aircraft type
• Callsign
• Current altitude
• Ground speed
• Heading
• Squawk code
• Vertical rate
• Flight path
• Recent aircraft history
• Estimated origin or destination, when available

ADS-B Exchange receives position reports from a network of independently operated receivers. Its map also uses multilateration, or MLAT, to estimate the position of some Mode S aircraft that do not broadcast a complete GPS position.

It is one of the first places to check when a private jet does not appear on FlightAware or Flightradar24.

2. Flightradar24

Flightradar24 offers one of the most accessible live flight maps. It works well for scheduled airline flights and provides a polished interface for casual flight tracking.

You can search by:

• Flight number
• Airline
• Tail number
• Airport
• Route
• Aircraft type
• Callsign

The free version generally shows live positions and basic flight information. Longer historical searches, advanced filters, detailed weather layers and some aircraft information may require a subscription.

Flightradar24 is often the most convenient tracker for passengers checking an airline flight, but some private, government or specially filtered aircraft may not appear.

3. FlightAware

FlightAware combines ADS-B data with government air traffic information, airline data and other aviation sources. Its free tracker is especially useful in the United States and Canada.

FlightAware can search by:

• Flight number
• Aircraft registration
• Origin and destination
• Airport
• Operator
• Aircraft type

Its Flight Finder is useful when you know the departure and arrival airports but not the flight number.

FlightAware also provides airport delays, scheduled departure and arrival information, filed routes, estimated times and flight alerts. Some private aircraft may be blocked, anonymized or visible only with limited information.

4. Airplanes.live

Airplanes.live is a community-supported ADS-B and MLAT map. It can be a useful secondary source when comparing coverage or looking for an aircraft that does not appear on a mainstream tracker.

5. ADSB.lol

ADSB.lol provides a free, community-fed aircraft map with an emphasis on open ADS-B data. It is another useful backup when an aircraft is absent from other services.

How does a live flight tracker work?

Most public flight trackers do not operate conventional radar stations. They primarily collect aircraft signals transmitted through technologies such as ADS-B and Mode S.

ADS-B

ADS-B stands for Automatic Dependent Surveillance–Broadcast.

An ADS-B-equipped aircraft determines its position using onboard navigation systems and broadcasts information that can include:

• Position
• Altitude
• Speed
• Direction
• Aircraft identifier
• Transponder information

Ground receivers collect these transmissions and send them to online tracking networks. The network combines reports from many receivers and places the aircraft on a live map.

Mode S

A Mode S transponder broadcasts an aircraft’s unique 24-bit ICAO address and other information. Not every Mode S transmission includes the aircraft’s geographic position.

MLAT

Multilateration, normally abbreviated as MLAT, estimates an aircraft’s position by comparing the arrival time of its signal at several receivers.

MLAT requires adequate receiver coverage. For that reason, an aircraft may be trackable near a major city but disappear over a remote region.

Satellite ADS-B

Satellite-based receivers can collect ADS-B transmissions beyond the range of terrestrial stations. This can improve tracking over oceans, deserts and isolated regions, although full satellite coverage is not necessarily included in every free tracker.

Tracking a commercial flight is straightforward:

1. Find the airline code and flight number on the ticket or itinerary.
2. Open FlightAware or Flightradar24.
3. Enter the complete flight number, such as AC103, BA117 or EK202.
4. Select the correct travel date and route.
5. Review its current status and live position.

A flight tracker may show:

• Scheduled departure
• Estimated departure
• Actual takeoff time
• Assigned aircraft
• Current altitude and speed
• Estimated arrival
• Arrival terminal or gate
• Delays, diversions or cancellations

Be careful with reused flight numbers. The same flight number may operate every day or cover different segments, so confirm the date, departure airport and destination.

How to track a flight without its flight number

If you do not know the flight number, search using the route:

1. Enter the departure airport or city.
2. Enter the destination airport or city.
3. Choose the approximate departure time.
4. Compare the resulting flights by airline and schedule.

Airport codes make the search more precise. For example:

• JFK: New York John F. Kennedy International Airport
• LAX: Los Angeles International Airport
• YYZ: Toronto Pearson International Airport
• LHR: London Heathrow Airport
• DXB: Dubai International Airport
• TEB: Teterboro Airport
• VNY: Van Nuys Airport

JetFinder’s airport finder can help identify nearby airports, while the private jet flight-time calculator provides estimated distance and travel time between two airports.

A tail number is the aircraft’s official registration mark. It performs a role similar to a vehicle licence plate and usually identifies one specific aircraft.

The first characters indicate the country of registration. Common examples include:

A tail number is not the same as:

• A scheduled flight number
• An air traffic control callsign
• An aircraft model
• A manufacturer serial number
• An ICAO hex code

The registration can change if the aircraft is sold or moved to another national registry.

Here is the most direct method.

Step 1: Find the aircraft’s registration

The registration may appear:

• On the rear fuselage
• On the tail
• Near the engines
• On an aircraft photograph
• In a charter itinerary
• In an aircraft registry
• In operator or ownership records

Enter the registration exactly when possible, including its national prefix. If a search fails, try it both with and without the hyphen.

Step 2: Open ADS-B Exchange

Go to the ADS-B Exchange live map.

The map will initially show aircraft in the selected geographic area. You can zoom, move the map or use its search function.

Step 3: Search the tail number

Open the search box and enter the complete registration, such as:

N123AB

Select the matching aircraft if more than one result appears.

If the aircraft is transmitting and is within the network’s coverage, the map should move to its current or most recently reported position.

Step 4: Check the aircraft details

After selecting the aircraft, review the information panel for:

• Reg: aircraft registration
• Type: ICAO aircraft type code
• Callsign: identification used for the current operation
• Alt: barometric or geometric altitude
• Groundspeed: speed relative to the ground
• Track: direction of travel
• Squawk: transponder code
• Hex: unique ICAO 24-bit aircraft address
• Seen: time since the last received report

The map’s trace line shows the path recorded during the selected period.

Step 5: Review available history

Select the history or trace controls when available. Choose the relevant UTC date and review the recorded route.

Remember that ADS-B Exchange displays times in UTC in parts of its interface. Convert UTC to the local time at the departure or arrival airport before drawing conclusions about a flight’s schedule.

Step 6: Compare the route with known airports

A tracking map may show where the aircraft flew without clearly identifying its departure or destination. Zoom into both ends of the trace and identify the airports.

Then use JetFinder’s:

• Worldwide private jet destinations
• Private jet routes
• Airport finder
• Flight-time and distance calculator

These resources can help distinguish between a major commercial airport and a nearby private aviation airport.

Every Mode S-equipped aircraft is assigned a unique 24-bit ICAO address, often displayed as a six-character hexadecimal code.

The ICAO hex code is valuable because:

• The callsign can change between flights.
• A flight number may be reused.
• The registration displayed by a database may be outdated.
• The aircraft may not transmit its registration in an easily searchable form.
• The flight may operate under a charter company’s callsign.

If you know the hex code:

1. Open ADS-B Exchange.
2. Enter the six-character code into the search field.
3. Select the aircraft.
4. Compare the displayed registration, model and recent trace.

The code generally remains associated with an aircraft while it is under a particular registration, but database errors and reassignment can occur. Cross-check important findings against an official registry.

Tracking a plane and establishing its beneficial owner are two separate tasks.

A flight tracker might display a registration and aircraft type, but ownership could be registered to:

• A leasing company
• A bank
• An aircraft trust
• A special-purpose company
• A charter operator
• A management company
• A private individual
• A corporation unrelated in name to the passenger

For American aircraft, search the tail number in the official FAA Aircraft Registry. The database can show the registered party, manufacturer, model, serial number and registration status, subject to applicable privacy restrictions.

Canadian registrations can be checked through the Canadian Civil Aircraft Register. British aircraft can be researched using the UK Civil Aviation Authority’s G-INFO aircraft register.

A registry entry does not prove who was aboard a flight. It also does not necessarily identify the person who ultimately controls or benefits from the aircraft.

Often, yes—but you need the registration or another reliable identifier.

A private charter does not receive a familiar airline flight number. It may operate under:

• The aircraft registration
• The operator’s ICAO callsign
• A changing trip number
• A management company’s callsign

The charter passenger does not necessarily own the aircraft. The same jet may perform several unrelated flights for different clients in one week.

Passengers booking through JetFinder receive flight-specific operational information through the appropriate charter documentation and trip communication. If you are planning a flight, you can compare models in the JetFinder private jet fleet and obtain an initial estimate with the private jet charter cost calculator.

A missing aircraft does not necessarily mean it is grounded or attempting to hide. Common explanations include:

The aircraft is not flying

Most trackers primarily display aircraft that are airborne, taxiing or recently active. A parked aircraft may disappear from the live map.

The transponder is off

Aircraft transponders are normally activated for flight operations. They may be switched off while parked.

Poor receiver coverage

Terrestrial ADS-B depends on receiving stations. Coverage can be weak over oceans, mountains, deserts and sparsely populated regions.

Low-altitude aircraft are particularly difficult to receive because buildings, terrain and Earth’s curvature can block the signal.

The tracker filters the aircraft

Some platforms limit or block selected registrations for security, commercial or privacy reasons. Check more than one tracker before assuming the aircraft is unavailable.

The registration changed

Aircraft are frequently sold, exported or moved between registries. A jet previously known under an American N-number may now carry a Maltese, Cayman Islands, Isle of Man or other registration.

The database is outdated

The receiver may capture the correct ICAO address while the website associates it with an old registration or aircraft model.

The flight uses a different callsign

A private aircraft might transmit the operator’s callsign instead of its visible registration. Search by both registration and ICAO hex code.

The data is delayed

Public trackers may introduce delays, cache old positions or display a “last seen” location. Always check the timestamp.

GPS interference or unusual position data

Jamming, spoofing, equipment problems or decoding errors can create implausible routes. If an aircraft suddenly jumps hundreds of miles, flies at an impossible speed or appears at zero altitude in flight, the data may be unreliable.

Is a flight tracker truly live?

“Live” usually means near-real-time, not instantaneous.

The displayed position may be delayed by:

• Receiver transmission time
• Data processing
• Internet latency
• Platform-imposed delays
• Weak coverage
• Map refresh intervals

For casual tracking, the delay may be only a few seconds. In other cases, especially with filtered data or remote coverage, the displayed position can be substantially older.

Never use a public tracker as the sole source for meeting an aircraft, dispatching transportation or making safety-critical decisions. Passengers should rely on their operator, broker, FBO or official airline communication.

How to tell whether a plane has landed

Do not rely only on the aircraft icon. Look for several indicators:

• Altitude decreasing toward the airport elevation
• Groundspeed falling during approach
• A trace ending on or near a runway
• Status changing to “landed”
• Arrival time being recorded
• A final low-altitude report near the destination
• Subsequent movement on airport taxiways

Coverage can disappear during the final approach. An aircraft may therefore land normally even if the trace ends several miles from the runway.

Can you track the plane flying above you?

Yes. Open Flightradar24, ADS-B Exchange or another live map and allow location access. Zoom into your position and select the aircraft passing nearby.

Check:

• Aircraft type
• Altitude
• Direction
• Callsign
• Origin and destination
• Registration

Be aware that perspective is deceptive. A plane that appears directly overhead may actually be several miles away.

A tracker may show only an ICAO type code rather than the full aircraft name.

Aircraft tracking data is collected from aviation transmissions and other operational sources, but public availability does not remove the need for responsible use.

A tracker can suggest where an aircraft traveled. It does not establish:

• Who was onboard
• Why the flight occurred
• Who paid for it
• Whether the registered owner used it
• Whether the aircraft carried charter passengers
• Where a passenger went after landing

Avoid using flight data to harass passengers or crews, enter restricted airport areas, reveal sensitive real-time movements or make unsupported claims about an individual’s location.

This is particularly important in private aviation. An aircraft registered to a recognizable company may be leased, managed or chartered to an unrelated client.

Tracking your own private charter

If you are tracking an aircraft assigned to your trip, confirm the registration with the charter provider. Aircraft substitutions can happen because of maintenance, crew availability, weather, positioning or operational restrictions.

A different tail number does not automatically mean the aircraft category has changed. The substitute may be the same model or an equivalent aircraft.

Before departure, verify:

• Aircraft registration
• Aircraft model
• Operator
• Departure airport
• FBO or private terminal
• Local departure time
• Passenger arrival instructions
• Baggage limitations
• Operator contact information

JetFinder can arrange aircraft based on passenger count, route, luggage and cabin requirements. Explore private jet destinations, compare the available fleet or request a private jet charter.

What is the best free flight tracker?

Flightradar24 is one of the easiest options for airline flights. FlightAware is strong for flight status, airport activity and North American operations. ADS-B Exchange is often the better starting point for private and general aviation aircraft. Checking two platforms provides a more complete picture.

Can I track any plane for free?

You can track many aircraft, but no free website can guarantee visibility of every plane. Tracking depends on the aircraft’s equipment, receiver coverage, data access, privacy filtering and whether the transponder is operating.

Can I track a private plane by tail number?

Yes. Enter the complete registration into ADS-B Exchange, FlightAware or Flightradar24. If the registration search fails, try the aircraft’s ICAO hex code.

Can I track a plane by passenger name?

No legitimate flight tracker offers public aircraft searches by passenger name. Passenger manifests are not part of public ADS-B data.

Is the tail number always visible?

The registration is normally marked on the aircraft, but it may not be readable in distant or low-resolution photographs. Some tracker databases may also show only a hex code or callsign.

Does ADS-B Exchange show private jets?

Yes, when their signals are received and associated with a usable position. Coverage and available details vary by aircraft and location.

Can a private jet disappear from the map?

Yes. It may fly outside receiver coverage, descend below line of sight, stop transmitting after landing or be affected by data delays. A disappearing icon does not prove an emergency.

Can I see previous private jet flights?

Some trackers provide limited recent history for free, while longer or more detailed records may require a paid subscription. Availability also depends on whether the network captured the earlier flights.

Can I use a flight tracker to confirm my charter departure?

Use it as a supplementary tool only. Operational information should come from your charter broker, aircraft operator or FBO because the assigned aircraft, airport slot or departure time may change.

Final thoughts

Free flight trackers make aviation remarkably transparent. An airline passenger can check a delay, an enthusiast can identify an aircraft overhead, and a private aviation customer can follow an assigned jet using its tail number.

For commercial flights, start with Flightradar24 or FlightAware. For private aircraft, search the complete registration on ADS-B Exchange and cross-check the result using its ICAO hex code and an official aircraft registry.

Tracking tells you where an aircraft signal was received—not necessarily who was onboard or why the flight occurred. Treat the information as useful operational data rather than definitive proof about a person’s movements.

If tracking a private jet has inspired your next trip, use JetFinder’s charter cost estimator, compare private aircraft options or review worldwide private jet destinations.