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American Airlines continues to believe there is a market in offering non-stop service to Hawaii from Chicago.

The carrier, which has been offering non-stop service to Honolulu for more than a decade, said this week that it will launch non-stop service to Maui on April 6. The service will be offered five times per week before expanding to daily on June 14.

It’s a route that Elk Grove Township-based United Airlines canceled in 2001, forcing the airline’s customers to fly one-stop to Hawaii. Passengers can choose to stop in Denver, Los Angeles or San Francisco before continuing to Hawaii.

In addition to American and United, Chicago’s Hawaii-bound travelers can choose from flights offered by American Trans Air out of Midway Airport.

But only American offers non-stop service.

Fighter battle on TV: Six years ago, producers from Boston’s WGBH-TV began working on a project to record the competition for the largest military contract in history–the pact for the Joint Strike Fighter, a stealthy, affordable combat plane for the Air Force, Navy and Marines.

It’s a battle that was waged from the corporate boardrooms of now-Chicago-based Boeing Co. and Bethesda, Md.- Lockheed Martin Corp. to the factory floors of the two companies.

In a program to air on Nova at 8 p.m. Tuesday on WTTW-TV, cameras go behind the scenes, including to the top-secret aircraft-design studios operated by the two manufacturers, to record the development and competition for the $200 billion contract awarded in October 2001 to Lockheed.

Code-share update: The flight-sharing program between United and US Airways is slated to receive an upgrade. Under flight-sharing, called code-sharing in the airline industry, airlines are permitted to sell tickets on another carrier’s flights and receive part of the revenue.

United announced this week that it will launch non-stop service between Denver, the airline’s second-largest hub, and Charlotte, N.C., US Airways’ largest hub.

The move will allow United customers to easily access US Airways’ network into the Caribbean.

“Our marketing partnership with US Airways opens markets to us that we couldn’t enter by ourselves,” said Greg Taylor, senior vice president of planning for United.

“Together, we offer connections to 97 markets beyond Charlotte and 48 markets beyond Denver. And this is only the beginning of the relationship.”

It’s the first step in an expanding relationship that will see better connections being built between hubs operated by the two airlines.

In addition to Chicago and Denver, United operates hubs in Los Angeles, San Francisco and at Dulles International Airport in Washington. In addition to Charlotte, US Airways operates hubs in Pittsburgh and Philadelphia.