Yes, up to a point. Staff won’t refuse a bike because “it was not the booked train”, and are very likely to try to be helpful.
However,
In summary, I would expect it to be fine, but there are no guarantees.
ADDENDUM
If a cancelled train is replaced with a bus, all bets are off. I have had bus drivers take a lot of convincing to allow my bike on board.
Credit:stackoverflow.com‘
4 Mar, 2024
5 Mar, 2024
5 Mar, 2024