While this list is complete as of 1am PST November 30th, 2007, the investigation is still unfolding, so it may not be the final list of all potentially affected flights.
London (Heathrow) to Athens, Greece
October 30, BA632
October 31, BA634
November 4, BA632
November 5, BA634
November 6, BA632
November 7, BA634
November 8, BA632
November 9, BA634
November 10, BA632
November 11, BA632
November 14, BA634
November 19, BA632
November 20, BA634
November 21, BA632
November 22, BA634
November 24, BA632
November 25, BA632
November 27, BA632
November 28, BA632
November 28, BA634
Athens, Greece to London (Heathrow)
October 30, BA633
November 1, BA631
November 4, BA633
November 6, BA631
November 6, BA633
November 8, BA631
November 8, BA633
November 10, BA631
November 10, BA633
November 11, BA633
November 15, BA631
November 19, BA633
November 21, BA631
November 21, BA633
November 23, BA631
November 24, BA633
November 25, BA633
November 27, BA633
November 28, BA633
November 29, BA631
London (Heathrow) to Larnaca, Cyprus/Larnaca to London (Heathrow)
October 29, BA662 and BA663
November 11, BA662 and BA663
November 12, BA662 and BA663
November 13, BA662 and BA663
November 18, BA662 and BA663
November 26, BA662 and BA663
London (Heathrow) to Istanbul/Istanbul to London (Heathrow)
October 27, BA676 and BA677
November 2, BA676 and BA677
November 3, BA676 and BA677
British Airways representatives believe the risk to any passenger is very slight, but at least two of their planes have shown traces of polonium-210, the substance used to poison former Russian spy Alexander Litivenko.
Passengers who are U.K. nationals can call 0845-6040171 inside the U.K. or (011) 44 191 211 3690 from outside the U.K. They recommend that passengers who are citizens of other countries contact their local doctors for screening.
For more information, and updates as they become available, go the British Airways website. As of this writing, additional information was available here.

