Varney Airlines makes its first commercial flight (Varney is the root company of United Airlines).

Varney Air Lines was an American airline company that started service on April 6, 1926, as an airmail carrier. Formed by Walter Varney, the airline was based in Boise, Idaho, United States. The airline is one of the predecessors of United Airlines.

United Airlines, Inc. is a major airline in the United States headquartered in Chicago, Illinois that operates an extensive domestic and international route network across the United States and six continents with more destinations than any other airline. Regional service operated by independent carriers under the brand name United Express feeds its eight hubs and the Star Alliance, of which United was one of the five founding airlines, extends its network throughout the world.