Originally Posted by
shorthauldad
Does this only work if it's the same day? i.e. you can't check bags today at T5 for tomorrow's TATL?
Yes, but if you wanted to dispose of the luggage the day before then there is always
left luggage.
And to
pianoamit, I have done this lots of times (indeed for a same day flight I have checked the luggage in for the long haul flight then done the out and back short haul with hand luggage only.