Flight data APIs compared: live positions, routes and prices
Twelve flight tracking APIs, from the free community feeds to the enterprise vendors, on the five questions that decide most projects: what the cheapest plan costs, whether you may use it commercially, whether the route comes with the live position, whether one call returns the whole world, and whether anything is pushed to you.
The table
| API | Cheapest paid plan | Commercial use | Route on the live position | Whole world in one call | Live push |
|---|---|---|---|---|---|
| Flight Data | €5/month billed yearly, 25,000 calls a day | Every plan | Yes, with a confidence | From €15/month | Every plan |
| Flightradar24 API | $9/month, 30,000 credits (8 per live flight) | Listed as commercial on every plan | Yes, with an ETA | From $900/month | No |
| FlightAware AeroAPI | $100/month minimum, billed per result set | From Standard | Not stated | No, paged | Flight alerts; Firehose on request |
| OpenSky Network | Free; licence on request | Written licence only | No, the next day | Yes | No |
| ADS-B Exchange | $10/month, 10,000 requests | No on the Community API | Not stated | Not stated | Enterprise, on request |
| aviationstack | $49.99/month, 10,000 requests | Yes | Yes, 30–60 s delayed | Not stated | Not stated |
| AirLabs | $49/month, 25,000 queries | Yes | Yes | Not stated | No |
| SkyLink API | $19/month, 5,000 requests | Yes | Separate call | Not stated | Webhooks from $59/month |
| Fly Overhead | $20/month, 40,000 requests a day | Not stated | Separate call | Not stated | WebSocket, tier not stated |
| adsb.lol | Free, ODbL | Under the ODbL | Separate call | No, 250 nm radius | Feeders only |
| airplanes.live | Free | Not stated | No | No, 250 nm radius | Not stated |
| adsb.fi | Free, 1 request a second | No, personal use only | No | Feeders only | Not stated |
Other providers’ prices in US dollars as published, ours in euros before VAT. Flight Data opens from the waitlist; its prices may change until launch.
Which one fits
You need schedules, flight status or delays
FlightAware AeroAPI, aviationstack and AirLabs are built around flights as airlines publish them. Flight Data is not: its routes are observed from how aircraft fly, and carry no times.
A personal project with no budget
The community feeds — adsb.lol, airplanes.live, adsb.fi — and the OpenSky Network are free. Read their terms: several are for personal or non-commercial use only, and none puts the route on the position.
Live traffic with routes, commercially, on a small budget
That is the gap Flight Data is built for. Every plan allows commercial use and returns the route with its confidence, the flight phase, the operator and the ICAO type on every aircraft; you pay per call, not per aircraft returned; and live areas are pushed to you on every plan.
You need oceanic or remote coverage
Flight Data comes from ground receivers: around 6,000 aircraft at any moment, densest over Europe, with no satellite and no MLAT. Over oceans and remote land, look for a provider with satellite reception.
One provider at a time
Early means three months free.
Waitlist offer: three months free with yearly billing, and 10 % off Developer or 20 % off Pro for as long as you keep the plan.
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