| Boeing 737-200 |
United Airlines Boeing 737-222, N9061U, is shown in older colors at Atlanta on January 6, 1976.
United Airlines Boeing 737-222, N9009U, is shown at San Francisco International Airport on September 5, 1983 wearing
the carrier's 1973 livery.
United Airlines Boeing 737-222, N9054U, is shown at Louisville on October 11, 1997 wearing the carrier's 1993 livery.
