People have been wondering for years what Boeing and Airbus will be doing to replace 737s and A320s, so would
VB do a major re-equip with a type that is just about to go out of production? That is what AirNZ does. People will have noticed discussion, where Boeing say they may do a simple re-engine job on the 737, and Arbus are talking about possibly replacing the A320 with two types. The larger A320 replacement might be a twin aisle type, because some LCCs in Europe think that will help load and unload passengers more quickly.
So, would
VB want to make a decision very quickly, when a couple of new versions may be just around the corner?