Complex sentence: Braniff International Airways was an American airline that operated from 1928 until 1982, primarily in the midwestern and southwestern U.S., South America, Panama, and in its later years also Asia and Europe.
Split into simpler sentences: Braniff International Airways was an American airline that existed from 1928 until 1982. It operated in the midwestern and southwestern U.S., South America, Panama, and in its later years, Asia and Europe.