Data Sources

Rosaviatsia
Airport statuses are generated automatically based on official statements from the Federal Air Transport Agency press service (channel “Govorít Rosaviatsia”). The original text of each message is preserved, with a source link provided next to the event.
Yandex Schedules
Flight schedules, flight numbers, airlines and terminals — based on Yandex Timetable data. Data is cached and updated approximately hourly; actual departure/arrival times are not displayed by the service.
Reference data
IATA/ICAO codes, coordinates, websites and airport descriptions — from open directories and airport data.