As wiggy said training capacity is the issue. Around 1000 conversion courses were initially planned! All at a time that Sims are being transferred out of brainbank and into TBA, with an extra requirement for trainers etc etc. The number of courses had to be reduced to make it manageable. The only fleet to see a freeze waiver is the 737 as it is being retired in any case. The 320 fleet and others were not so fortunate.
All DEP LH to the first half of the year to make the 320 trg programme manageable with a number of 78s arriving in quick succession in the later half of next year.
FPP courses delayed due to extra training footprint. So if 777/787/744/320 rated, the outlook is good for a potential shorter wait in the 'submitted' category. A bit of an exceptional year it would seem.