British Airways offers passengers traveling with the program Club World to upgrade their service free of charge to first class. This will provide them further comfort and increase the class of service. Club World is one of the types of business class on long-haul international flights, offered by the British carrier.
Going to the first class of is possible only at observance by the client of a number of conditions. For example, bookings cannot be made online, but the travellers should call the British Airways call center or book through a travel agent to avail of the offer. The offer is limited by time, as bookings must be made by December 10, for outbound travel by December 23, and inbound by December 31.
The customers must request the upgrade at the time of booking, and the upgrade is subject to availability
Moreover, the promotion is valid for American Airlines flights as well if the flight is carried out under a code-sharing agreement with British Airways.