Hi, any advice please on why our BA flight was cancelled today? When we called they said "operational" reasons, but couldn't give more info.

Flight details:
JFK to London Gatwick departure 20:05PM Thursday 6th June 2024.
BAW2272 / BA2272.

British Airways have booked us onto a Jetblue flight leaving tomorrow at 20:51PM to London Heathrow.

And will we be entitled to compensation, including reimbursement for the train tickets we will need to repurchase as we will arrive over 24 hours later than we were originally meant to.

Thanks!