It can be hard to avoid since carriers reasonably often change what aircrafts they use after the tickets are sold.
Norwegian Air Shuttle has been in a lot of trouble over that when they sold tickets promising Dreamliner but instead leased in a much older airplane to fly that trip. (well they have done it multiple times on different trips)
Norwegian Air Shuttle has been in a lot of trouble over that when they sold tickets promising Dreamliner but instead leased in a much older airplane to fly that trip. (well they have done it multiple times on different trips)