I need to go to a meeting in Essex in a couple of weeks and thought it would be an ideal opportunity to try the NCL-STN route.
However, I hadn't realised how bad the flight times are:
Depart NCL 08:45, arrive STN 10:05
Depart STN 16:10, arrive NCL 17:25
To make the return flight you need to be back at STN not much after 15:00 which gives only a 5 hour working window. Presumably day return pax are not FlyBe's target market for this route otherwise there would be a much bigger gap between the flights.