No I don't think the CC would do that.
After all, they've put in an awful lot of time and effort into these negotiations - why would they just settle for something that they know their members wouldn't accept?
I think the reason it's taking so long is that they have to get the exact wording of any deal correct. There can't be a grey area - and I also assume they need the company to ratify whatever it is that BALPA are going to send to their members.
It wouldn't surprise me if that was the reason for the hold-up - waiting for a company sign-off!