The ranking is according to AirHelp, the largest international organisation defending the rights of air passengers, which develops an annual ranking known as the AirHelp Score.

At the other end of the scale, Humberto Delgado Airport, in Lisbon, is the worst Portuguese airport and is almost at the bottom of the world ranking.

According to the statement sent by AirHelp to Notícias ao Minuto, Porto Airport obtained an overall score of 7.67 for punctuality, 8.52 for customer consideration and 8.53 for the quality of its restaurants and shops, which places it in 54th place out of a total of 151 world airports studied.

In the second place, in Portugal, comes Faro Airport, with a score of 7.21.

Lisbon Airport is considered by users to be the worst airport in Portugal, with a rating of 6.75 and appears at the end of the world ranking, in 143rd place, out of a total of 151 airports analysed.

The AirHelp Score is based on data from airlines and airports around the world and is considered the most comprehensive and accurate in the field. In this classification, AirHelp evaluates service excellence, punctuality, complaints handling and the quality of the airport's catering and shopping facilities.