Originally Posted by
davidjohnson6
1 million pax per year seems to be a number often quoted as a rough benchmark for a financially viable "full service" airport. In 2019, SEN saw over 2m pax
Sounds about right as during the runway extension application at SOU, it was suggested that between 1m-1.2m was break even for a viable future. Of course SOU doesn’t have any substantial ancillary income from other aviation services on site!