OLCI isn't available, and it's because BA are considering an equipment change.
The flight is oversold in J and F, with plenty of space in Y.

Is this flight normally low-J config? The outbound flight to MEX left a couple of hours ago, but OLCI still isn't available - anyone know what config plane left?

It's a shame that OLCI isn't available just 24 hours after the bonus mile e-mail went round - it'd also be handy to have a slightly later checkin.