There are two companies that offer airlines solutions for selling space available upgrades; Optiontown and Plusgrade. Most of the major airlines handle this function in-house, but smaller airlines rely to these two providers. Goal is obviously to extract more revenue out of business and first class seats.
Last week, I was flying from Bangkok to Hanoi on Vietnam Airlines and had booked myself in economy. The flight is short and not worth paying anything extra for short haul business class seat. [click to continue...]