Nervous, say, in the middle of journey on plane (8)
I believe the answer is:
fluttery
'nervous' is the definition.
(I've seen this before)
'say in the middle of journey on plane' is the wordplay.
'say' becomes 'utter' (to utter something is to speak or say it).
'in the' means one lot of letters goes inside another.
'middle of journey on plane' becomes 'fly' (I can't justify this - if you can you should give a lot more credence to this answer).
'utter' inserted into 'fly' is 'FLUTTERY'.
Can you help me to learn more?
(Another definition for fluttery that I've seen is " Nervous".)