It would appear that the routes originating in the UK or Ireland have canceled. The mainland Europe flights have all departed, which would indicate they were able to take a routing to avoid the "contaminated" air.
#751 - BRU
#799 - AMS
#711 - ZUR
#701 - FRA
#755 - CDG
#741 - MAD
#707 - MUC
#719 - FCO
Canceled:
#721 - DUB
#735 - MAN
#729 - LHR