Well it's pretty straightforward, if turnaround time is only 10 minutes and your competitors take an hour then you can simply make more flights per aircraft per

Well it's pretty straightforward, if turnaround time is only 10 minutes and your competitors take an hour then you can simply make more flights per aircraft per day than them. This is amplified when your flights are short distance domestic. Depending on destination it probably allowed them to make 2 - 3 extra flights per aircraft per day, at a time when jet fuel was not so expensive. That could make a massive difference to profitability.