adsb.lol
Contains information from adsb.lol, which is made available here under the Open Database License (ODbL).
The method used to derive our figures from that data is available free on request: hello@getgatecast.com.
OpenStreetMap
Walking times inside some airports are measured on OpenStreetMap: © OpenStreetMap contributors, Open Database License (openstreetmap.org/copyright).
US flight records
Flight records: US Department of Transportation, Bureau of Transportation Statistics, August 2025 to July 2026. These records are in the public domain; DOT and BTS have no part in GateCast and do not endorse it.
Brazil flight records
Flight records for Brazil: Agência Nacional de Aviação Civil (ANAC), Voo Regular Ativo (VRA); the full ANAC line is at the foot of this page.
Passport control, customs and bag times in Brazil: Ministry of Ports and Airports, quarterly airport performance reports, 2016–2019 and Q4 2021.
Guarulhos terminal move: GOL's connections page (voegol.com.br/conexoes-em-voos), as published 6 August 2025 (Internet Archive capture 20250806003924).
UK punctuality statistics
UK punctuality statistics: UK Civil Aviation Authority. No CAA figure is reproduced, and the CAA does not endorse GateCast.
Other sources
Weather history: public METAR reports from the Iowa Environmental Mesonet archive (Iowa State University), originally issued by the US National Weather Service and FAA.
Passport control at US airports: US Customs and Border Protection Airport Wait Times (awt.cbp.gov).
International timetables: AeroDataBox, read for the date you search and kept for at most seven days.
Terminal layouts and which airline uses which terminal: the airports' and airlines' own published information.