Thanks, James158 - and welcome to the Coffee Shop forum!
Actually, my own journey wasn't delayed at all: I got the 17:25
BRI» to WSM, which was on time (unlike the 17:18, which was still 'expected at 17:23' as we departed!).
However, the 17:25, being the first commuter service westbound, and being a 143, was absolutely crammed - even leaving people behind.