Glasgow Airport are consulting on some changes to the airspace. Full information is here.
From the interactive mapping tool provided, it seems that flights & noise over Strathblane will be little changed, and maybe even reduce, if anything:

If you do want to know more, they are hosting a number of consultation events in different locations and online, to give as many people as possible an opportunity to engage with the proposals.
Drop-in events
| Milngavie St Joseph’s Church, 3 Buchanan Street, G62 8DZ | Thursday 20 November 2025 | 2pm – 8pm |
| Lennoxtown Glazert Country House Hotel, 25 Milton Road, G66 7DJ | Thursday 4 December 2025 | 2pm – 8pm |


