BALaddy has pointed out that Cityjet have pulled all flights between London City and Dundee effective 30 March 2014. Game over for passenger ops at Dundee ?
In the 12 months from 01 Dec 2012 to 30 Nov 2013, CAA stats indicate the airport saw 27,944 passengers. For every 1 passenger at Dundee, Edinburgh saw 347 passengers
Edit - seems to be confirmed -
BBC News - Dundee Airport's only scheduled flights to end