Does anyone know the actual reason why bmi are giving up their Airbus A321 aircraft? This has led to bmi staff at airports ,very much BHD, becoming extremely frazzled as they are having to tell unhappy passengers that their flights are overbooked and that they aren't able to travel (the route to Heathrow has been replaced by 319's/320's). Staff are complaining to the management and bmi have said it is happening all over the network where the 321 has ceased operations