United to Add Flights; Other Changes in the Air

Starting April 7, United Airlines is adding 127 flights to help restore service it cut after the Sept. 11 attacks. Chicago’s O’Hare International Airport will add 17 flights, and Denver International Airport will add 26 flights; both are hubs for United. From LAX, there will be 201/2 daily flights (“one-half” is a return flight) to San Francisco instead of 17, six daily to New York’s JFK instead of five and seven daily to Washington’s Dulles International Airport instead of 51/2, among other additions.

Other air service additions:

* On July 2, American Airlines will begin its first nonstop service between Ontario, Calif., and JFK. There will be two flights a day.

* On April 1, Switzerland will begin operating a new national airline called Swiss Air Lines. It was formed by the merger of the European regional carrier Crossair with Swissair, which filed for bankruptcy protection last fall but will continue to operate until April 1. No service changes are planned out of Los Angeles, where Swissair operates a once-a-day nonstop to Zurich, a spokeswoman said. Swissair tickets issued before March 31 are good on the new airline. (800) 221-4750, www.flyswissairlines.com.