Does anyone know how the 345s have been behaving over on the West after 3/4 days of taking over from the 360s? I'm guessing no news on here is good news?
Looking at RTT for Heathrow Central, it seems to me that they have had a few problems with units delayed at either end, particularly at Heathrow Terminal 5 when the driver switches ends. There have been a few trips missed and unit swaps also but nothing like the thirty minute delays at the transition point they had in the first one or two weeks.
Updating the post on Saturday:
There seem to be two issues - delays at Heathrow after a stop, particularly at Terminal 5 and delays at the transition point
As an example of the former from today's service:
9T55 1132 London Paddington to Heathrow Airport Terminal 5 arrived at Heathrow Terminal 5 on time (1206, booked out again at 1222)
https://www.realtimetrains.co.uk/train/P63211/2020-09-19/detailed
9P57 1222 Heathrow Airport Terminal 5 to London Paddington then departed fifteen minutes late at 1237 running non stop into Paddington from Hayes & Harlington (albeit behind the 1248 Hayes shuttle).
https://www.realtimetrains.co.uk/train/P62853/2020-09-19/detailed
In this instance, does the problem arise when the driver changes end at Heathrow or immediately before departure?
The same unit was then taken out of service at Heathrow Central on a later trip. It arrived on time at Heathrow Central (1630) and then went no further, blocking platform 1 until 1718 when it went empty to Old Oak Depot.
9T91 1602 London Paddington to Heathrow Airport Terminal 5
https://www.realtimetrains.co.uk/train/P63265/2020-09-19/detailed
Another unit came empty from Old Oak Depot (via Paddington) as 5T03 for 9P05 1822 Heathrow Airport Terminal 5 to London Paddington
There have been two example of the latter on Saturday
9P61 1252 Heathrow Airport Terminal 5 to London Paddington appears to have been delayed on transition at Heathrow Airport Junction by seven minutes:
https://www.realtimetrains.co.uk/train/P62862/2020-09-19/detailed
9P77 1452 Heathrow Airport Terminal 5 to London Paddington appears to have been delayed on transition at Heathrow Airport Junction by thirteen minutes and ran fast to Paddington from Hayes & Harlington
https://www.realtimetrains.co.uk/train/P62898/2020-09-19/detailed
9P89 1622 Heathrow Airport Terminal 5 to London Paddington appears to have been delayed between Heathrow Central and Heathrow Airport Junction by thirteen minutes
https://www.realtimetrains.co.uk/train/P62925/2020-09-19/detailed
Having noted these, it should be pointed out that most journeys do run without event.