United Airlines was established in 1985 as a regional airline brand operated by independent contractors on behalf of United Airlines. It serves as a feeder airline for United, operating short and medium-haul flights from smaller airports to United's hub cities.
In the United Express logo, the font used is very similar to Gill Sans Bold, a humanist sans serif font produced by Monotype and designed by Eric Gill. You can preview and buy Gill Sans Bold font on myfonts.com.