Just six months after the Welsh Government controversially bought Cardiff Airport with more than £50m of public money there are hopes that it might be changing its fortunes.
Four new winter routes were announced today and passenger numbers are up 9% in the summer months compared to last year.
But is still early days, as our Business Correspondent Carole Green reports.
More top news
More than a thousand riders will be taking part in a series of events in and around the town.
Some warm spells of sunshine will develop, although scattered heavy and thundery showers are also expected during the afternoon.
A yellow 'be aware' warning has been issued by the Met Office for much of Wales.