I still blame covid for the lost or reductions of some of these routes. Its quite clear, that Birmingham is struggling to attached the business passengers back.
The core routes such as Brussels, Munich, Frankfurt, Paris CDG and Zurich, with the likes of Brussels Airlines, Lufthansa, Air France, Swiss, and the non return of Austrian on the Vienna route seem to be struggling, businesses are prefering to do business over the internet with the likes of Zoom, Teams, for meetings, they no longer need to travel to these key business hubs for face to face meetings.
Is Birmingham now turning into a leisure airport only? On this basis, the chance of flights to the likes of New York or ohter USA destinations from Birmingham, don't stand a chance of ever happening.