Links to the COVID-19 pages for the following airlines are provided below:
Air Canada
Air France / KLM
American Airlines
British Airways
Cathay Pacific
Delta Air Lines
easyJet
Emirates
Etihad Airways
Lufthansa Group
Qantas
Qatar
Ryanair
Singapore Airlines
Turkish Airlines
United Airlines
Virgin Atlantic
WorldAware Risk Intelligence and Resource Center World Health Organisation UK Foreign Office Centers for Disease Control and Prevention European Centre for Disease Prevention and Control
Johns Hopkins University data: https://coronavirus.jhu.edu/map.html
International SOS flight operations monitoring: https://pandemic.internationalsos.com/2019-ncov/ncov-travel-restrictions-flight-operations-and-screening
Worldaware: Interactive dashboard Travel Restrictions by Country report
IATA country by country listing of restrictions: https://www.iatatravelcentre.com/international-travel-document-news/1580226297.htm
Newland Chase entry and immigration restrictions by country: https://newlandchase.com/covid-19-latest-travel-and-immigration-disruption/