Originally Posted by clubman
You could be lucky and get an empty flight where there will be some cheap fares left and you might turn up and find only Business class left (unlikely though, these days...)
It's important to note that the load of the flight is often completely irrelevant. bmi has a tendency to zero out lower fare classes on many routes on the day, leaving only Y, J and C available at the ticket counter. And they charge the extra £5 at the desk, too. And the extra £4.95 CC charge.