(09 Jun 2019, 1:04 pm)L469 YVK wrote The reliability of the 309 appears to be poor on Sundays & Bank Holidays. The Sunday journeys need separating from the 310 like what got done to the Mon-Sat journeys back in March.
I have spent the last two weeks at work on 11:30-20:00 up at the cobalt in which the 309 which is due around 20:10, it was on time on only two occasions over a period of 10 working days of Monday to Fridays.