1722 British Airways says it will be operating "a number of flights" from the US into Scotland overnight. All its flights to and from London airports were cancelled until at least 1000BST on Saturday, the airline added.
BA0174 JFK GLA Dep 19:00 16 Apr Estimated. ETA at GLA is 07:05 (744)
BA0176 JFK PIK Dep 19:35 16 Apr Estimated. ETA at PIK is 07:40 (744)
BA0182 JFK GLA Dep 22:40 16 Apr Estimated. ETA at GLA is 10:40 (744)
BA0284 SFO GLA Dep 16:55 16 Apr Estimated. ETA at GLA is 11:00 (744)
BA0268 LAX PIK Dep 21:20 16 Apr Estimated. ETA at PIK is 15:30 (744)
BA0102 YYC ABZ Dep 21:30 16 Apr Estimated. ETA at ABZ is 13:25 (763) (Has there ever been a transatlantic diversion into Aberdeen?)
I just checked a few flights - may well be others.
There are some BA flights from USA currently showing LHR/LGW as the destination with an ETD but subject to further change. They must be crewed and ready to go so they might divert to Scotland too if conditions don't improve down south and if the Scottish airports can accommodate them.