Drink you having during flight when it’s cold? (3,2,3,3)
I believe the answer is:
nip in the air
'during flight when it's cold?' is the definition.
I don't know anything about this answer so I can't judge whether this works.
'drink you' is the wordplay.
'drink' becomes 'nip' (I've seen this before).
'you' becomes 'intheair' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'nip'+'intheair'='NIP IN THE AIR'
'having' acts as a link.
Can you help me to learn more?
(Other definitions for nip in the air that I've seen before include "Sign that summer may be over" , "Chill out" .)