I wouldn't crack the champagne open yet about Wizz Air until it's confirmed, but it's a possible hint.
This article is either leaking positive info (for investors) or repeating rumours. For example here's another, hinting about easyJet's 4th based aircraft...
"One further plane based at Southend by a high utilisation carrier such as easyJet could increase total passengers by 200-250k per year"