If you thought legroom on commercial airlines was already cramped, get set to be squeezed some more.
New Boeing 737-800s now being delivered to American Airlines have the same-size cabins as the existing 737-800s in American's fleet. But the new planes have 12 more coach seats, pushing the total number of seats to 160. Delta Air Lines Inc. has also added 10 seats to its 737-800s, raising the total to 160. So has Continental Airlines Inc.