Originally Posted by MFCC

Exact numbers I have no idea. At work it’s obvious the majority of crew are ex-MF. This was always likely to be the case anyway.
However, not to the extent you’d think. On a typical long haul you’re probably looking at 60-70% ex-MF. However, saying that I operated a JFK within the last month where the entire crew were ex WW/EF aside from myself so quirks do happen.
Concorde Julie was actually a MF CSM before Covid hit, though does have years flying experience. Believe she was EF prior to coming to Mixed Fleet.