I think gla could grow numbers but not significantly . Aer Arann saw numbers grow on CFN to Scotland when they switched the flights to GLA from PIK.
However. Addition of EDI could further impact Glasgow LDY numbers. LDY is a great gap filler in the schedule and in terms of ac utilisation it is useful to fill the schedule as PIK hasn't many short flights to use for filling the schedule alongside 2 European flights per day. Splitting the daily Glasgow flight to LDY between Glasgow and edi could prove efficient ...