According to the ANA Aeroportos website, at least 23 flights are planned to be cancelled - 11 departures and 12 arrivals.
Cancellations are to and from various European destinations such as Milan, Naples, Prague, Barcelona and Munich, but also include other locations such as Belo Horizonte, in Brazil and Dakar, in Senegal.
At the Francisco Sá Carneiro airport, in Porto, three cancellations are planned: two from Easyjet and one from TAP, with destinations to São Paulo, Brazil and Geneva, Switzerland.