I used the BMI (A330) service back in early 2000,s to Washington for about 6 months so about 6 flights and I would say that apart from high summer, the load was quite light in my all be it limited experience as I re call. Service always good form BMI crew, and product were very good in Business in comparison with US carriers and I had good reports on economy cabin as well, pity they are no longer with us.
Regards
Mr Mac