The consumer champion asked more than 4,000 passengers to provide an estimate of how long they were kept waiting while going through security on their most recent visit to the airport, with Southampton coming out on top with the fastest average security queue.
In its full survey published last month, Southampton Airport also came out third best small airport in the UK overall for its customer service and facilities.
Commenting on the report’s findings, Managing Director Neil Garwood said: “This is really excellent news for Southampton and clearly shows the benefits of smaller airports.
“Having been recognized as the best small airport in Europe for customer service excellence by the Airports Council International (ACI) awarding body and been rated so highly for best airport overall by Which? we are truly proud to say our customer experience and journey time through security is second to none.
“We aim to preserve this reputation into the future as we fulfill our growth plans, which will enable us to provide this excellent service to even more passengers without losing the friendly quality that makes us so special.”