Final answer:
The correct sentence is 'Mi amiga está volando ahora mismo'.
Step-by-step explanation:
The correct sentence is Mi amiga está volando ahora mismo. This means 'My friend is flying right now' in English. The verb 'está volando' is in the present progressive tense, which is used to describe an action that is happening at the moment of speaking. The other two sentences are grammatically incorrect.
Learn more about Correct sentence in Spanish