Trying to get my head around cancellation rules.

was on BA2923 SOU-AGP 0740 7/7/24. Cancelled. Rebooked out of LGW at similar time 0715 same day.
Does that mean I’m not entitled to comp as we are not actually delayed very much or arriving too early ?

Also taxi costs will be lot higher 90 min run not 10 min , leaving house at 0345 not 0600 etc Does extra transport costs come under DofC ?

(ignoring problems of my own making - grown up kids on sep PNR an rerouted out of LHR at 0800 ! Can’t get 4 of us on same flight until 1600 tomorrow. But decided to take earlier options. And it’s only 45 mins to footie starts !)