100 years is a long time for an airline; we see in today’s aviation space that newcomers arrive quickly and shut down quickly; however, for many legacy carriers, some have already achieved and surpassed their centenary. Carriers such as British Airways, Finnair, Qantas, and KLM have applied celebratory liveries to some of their most famous aircraft. With this, Simple Flying looked into what travelers can be treated to if they’re booked on one of these planes.