I've seen it twice today and it's almost running like a dupe with a double deck alongside it which has had a healthy load.
More likely the ever present regulation issues with the Angel which are constantly exacerbated by Durham Road, the A1 and the Birtley Cycle Lane construction
Do agree that some services do seem lighter than normal but that could also be a wider economy piece!
RE: Go North East: Rare & Odd Workings 2023