Who was it that kept saying the 5 car class 800s were suitable for the off peak Cotswold line services? I'm on the 1822 London Paddington to Moreton-in-Marsh and the Standard class areas of the train are horribly crowded with many passengers forced to stand in the aisles and some who struggled to board because of congestion around the doors. This is pretty unsuitable rolling stock for this service on a Saturday evening. I can see that the first class areas of the train are relatively empty.
That would probably be me then, wouldn't it?
Let's see, yesterday and for the following eight days, the Cotswold Line is shut west of Moreton-in-Marsh for work to extend station platforms, so guess what, the five-car set provided was not what is normally be provided for the 18.22 on a Saturday, ie an HST or nine-car IET, when that service would normally be going all the way though to Worcester and Hereford.
In the context of Saturday loadings, I think it's fair to say that London departures shortly after 18.00 probably do count as 'peak' as day-trippers, sports fans, etc head home - hence why a long formation would normally be used.
But don't let the boring contextual stuff applying to Cotswold services yesterday get in the way of having a pop at GWR and IETs, will you?
I expect one or two people had been to the England rugby match. Now you could argue that a nine-car set might have been a better bet in the light of that event, but I expect that even the five-car was on the quiet side past Oxford.
What can easily be predicted is timetabled sporting, and other, events.
What cannot so easily be predicted is what time people attending those events might be returning home, nor how many people will turn up at Paddington wanting a fast train back to Slough at any given point - a role that the Oxford/Cotswold services have to fulfil all day at weekends, as well as the more obvious one.