Flier providing airborne delivery (5)

I believe the answer is:

stork

I'm a little stuck... Click here to teach me more about this clue!

This clue could be a double definition.

'flier' is the first definition.
(stork is a kind of birdanimal)

'airborne delivery' is the second definition.
'stork' can be an answer for 'delivery' (thesaurus). I'm not certain of the 'airborne' bit.

'providing' acts as a link.

Can you help me to learn more?

(Other definitions for stork that I've seen before include "Large wading bird" , "Baby-carrying bird?" , "Mythological baby-bringer" , "Bird that delivers babies?" , "Long-legged bird" .)

I've seen this clue in the Evening Standard.

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