United Air Lines 1946 Four Engine Mainliner System Timetable Booklet

This 1946 United Air Lines system timetable booklet announces the return of unrestricted commercial flying and promotes the airline’s four-engine Mainliner 230 aircraft.

Issued effective March 1, 1946, the publication reflects the rapid postwar transition from military to civilian air service. United Air Lines positioned itself as a coast-to-coast carrier during this expansion phase, emphasizing fleet modernization and expanded route capacity. The bold shield logo and patriotic red, white, and blue palette underscore the brand’s national identity at a pivotal moment in commercial aviation history.

The cover features a printed March and April 1946 calendar, the slogan Now All Restrictions on Flying Removed, and illustrations of streamlined four-engine aircraft labeled United Mainliner 230s Coast to Coast. Interior pages typically include route maps, schedules, and fare information arranged in structured timetable grids characteristic of mid-1940s airline publications.

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