Northwest
ORG
Northwest
Like Southwest Airlines, other big airlines like American, United, Northwest, Delta and Continental, quickly raised their fares by similar amounts. Other big airlines, among them American, United, Northwest, Delta and Continental, quickly raised their fares by similar amounts. Major airlines have participated since Hero Miles began in January 2004, now only five -- Alaska, America West, Delta, Midwest and Northwest -- let fliers donate miles to the program, which has cashed in 190 million.