Original sentence: Oneworld, Aer Lingus and Virgin Atlantic will move all flights to Terminal 3, whilst BA's longhaul flights in Terminal 4, with the exception of some routes to Australia, will move to T5 at the second flight-switch at the end of April 2008, but will eventually move into T3 with Qantas.The majority of British Airways shorthaul flights from T1 and T4 move to T5 when it opens at the end of March 2008, along with all current T3 and T1 longhaul services - BA routes operating Boeing 757 aircraft will remain at Terminal 1 until the refurbishment of Terminal 3 is complete.The new arrangements will largely be based around which alliance each airline belongs to.When Terminal 5 opens in 2008, the allocation of airlines to terminals at Heathrow with undergo major changes
Edited sentence: BA services JSA routes will eventually move into T3 with Qantas.Oneworld, Aer Lingus and Virgin Atlantic will move all flights to Terminal 3, whilst BA's longhaul flights in Terminal 4, with the exception of the 'JSA' routes to Australia, will move to T5 at the second flight-switch at the end of April 2008.The majority of British Airways shorthaul flights from T1 and T4 move to T5 when it opens at the end of March 2008, along with all current T3 and T1 longhaul services - BA routes operating Boeing 757 aircraft will remain in Terminal 1 until the refurbishment of Terminal 3 is complete.The transfer of airlines between terminals will be sequential and well planned.When Terminal 5 opens in 2008, Heathrow's terminal system will undergo major changes in order to simplify and streamline the transfer process for passengers