38,000+ flight routes between airports

// All routes from Frankfurt to New York
const res = await fetch(
  "https://aviation-api.logostream.dev/v1/routes" +
  "?departureIata=FRA&arrivalIata=JFK",
  { headers: { "x-api-key": "YOUR_API_KEY" } }
);
const { data, total } = await res.json();

console.log(`Found ${total} routes`);

data.forEach(route => {
  console.log(`${route.departure_iata} → ${route.arrival_iata}`);
  // → FRA → JFK

  // Distance, duration & CO₂
  console.log(route.distance_km);          // 6130
  console.log(route.duration_min);         // 490
  console.log(route.co2_kg);              // 704

  // Timezones
  console.log(route.departure_timezone);   // "Europe/Berlin"
  console.log(route.arrival_timezone);     // "America/New_York"
  console.log(route.timezone_offset_hours); // -6

  route.airlines.forEach(airline => {
    console.log(airline.airline_iata, airline.airline_icao, airline.alliance);
    // → LH DLH star_alliance
    // → UA UAL star_alliance
  });
});

// All routes operated by Lufthansa
const lhRes = await fetch(
  "https://aviation-api.logostream.dev/v1/routes?airlineIata=LH",
  { headers: { "x-api-key": "YOUR_API_KEY" } }
);
const { data: lhRoutes } = await lhRes.json();