TimmyW, I'll have a wager with you.
Peels estimates are that in order to break even or their operations at MME, DSA and LPL based on current operational footprint - each needs to be handling:
MME - 550,000 PPA
DSA - 750,000 PPA
LPL - 3m PPA
LPL is doing fine tenth largest airport in UK over five million passengers per year
And more investment, with new airlines, plus work to start late summer