Question : How long do most people stay in Cincinnati when they fly in from Amman?
Answer : Of course you're not most people, but if you were, you'd stay roughly 18 days.
Question : Is price more important than specific travel days for you?
Answer : Saturday is your lowest-cost day to fly in February. Being flexible with your travel days garners you even more savings during your booking.
Question : Do prices fluctuate more for this route than others?
Answer : Prices for AMM to CVG do fluctuate a lot more than most routes. Prices tend to be lower the further out you book.