Piedmont Airlines (1948–89)

Piedmont Airlines (IATA: PI, ICAO: PAI, Call sign: PIEDMONT) was a major airline in the United States which operated from 1948 until it was acquired by and merged into USAir in 1989. Its headquarters were at One Piedmont Plaza in Winston-Salem, North Carolina, a building that is now part of Wake Forest University. In April 1989, shortly before it merged into USAir, Piedmont had 22,000 employees. In September 1988, it flew to 95 airports from hubs in the eastern United States; its commuter and regional affiliates flew turboprop aircraft via code sharing agreements to 39 more.

Piedmont Airlines (1948–89)

Piedmont Airlines (IATA: PI, ICAO: PAI, Call sign: PIEDMONT) was a major airline in the United States which operated from 1948 until it was acquired by and merged into USAir in 1989. Its headquarters were at One Piedmont Plaza in Winston-Salem, North Carolina, a building that is now part of Wake Forest University. In April 1989, shortly before it merged into USAir, Piedmont had 22,000 employees. In September 1988, it flew to 95 airports from hubs in the eastern United States; its commuter and regional affiliates flew turboprop aircraft via code sharing agreements to 39 more.