Final answer:
The correct form of simple future tense for the verb 'fly' in this context is 'will be flying,' indicating that Ravi will be in the midst of the action at the specified future time.
Step-by-step explanation:
The student has asked to put the verb in the correct form of simple future tense. The sentence should read: "This time tomorrow Ravi will be flying over the Atlantic on his way to Boston." The verb "fly" is in the continuous tense, which is used because the action will be in progress at a specific time in the future.