Originally Posted by
FWAAA
On aa.com, click on available seats when you're searching for flights. If the 757 shows just 16 seats, then you're getting the new lie-flat at an angle business class (NGBC). If the seat map shows 22 or 24 seats, then it's not going to be as fancy. Still, I'd always upgrade a four hour flight if I could.
You can go to the reservations section at aa.com and look under "View Available Seats"
You will need the date, city pair, and flight number