In 1927, the lighted airway was complete between New York City and Salt Lake City, Los Angeles to Las Vegas, Los Angeles to San Francisco, New York to Atlanta, and Chicago to Dallas, 4121 miles in total.
Pada tahun 1927, jalur udara terang dibangun antara New York dan Salt Lake City, Los Angeles ke Las Vegas, Los Angeles ke San Francisco, New York ke Atlanta, Chicago ke Dallas, dengan total jarak 4.121 mil.