A History of Short Words

From the New York Times Crossword Puzzle

TWA

Fri, 31 Dec '21
United competitor, once
Sun, 19 Dec '21
Old "Up, up and away" sloganeer
Wed, 1 Dec '21
American acquisition of 2001
Thu, 8 Jul '21
One of the "Big Four" domestic carriers, once
Thu, 6 May '21
Onetime United competitor