AA2200 is used on multiple routes. More commonly, AA2200 flies directly from Miami, FL (MIA-Miami Intl.) to Orlando, FL (MCO-Orlando Intl.). If that's your flight path, you'll be traveling for roughly 1 hour and 12 minutes.
If you've booked a ticket on flight AA2200 from Orlando, FL (MCO-Orlando Intl.) to Miami, FL (MIA-Miami Intl.), there's an excellent chance you'll be traveling on a Boeing 737-800. This flight number serves more than one route, but this is the most popular one.