In a move that will almost certainly anger business travellers, United Airlines will require a 1-3 night stay on domestic flights beginning in October:The second-largest U.S. carrier said the moves are among a number of changes it is making to combat record high fuel prices. The Chicago-based airline has been among the most aggressive in the industry in pushing fares and fuel surcharges higher in recent months, and its latest policy could prompt other carriers to consider following suit.Starting Oct. 6, most United fares will require a one- to three-night or weekend-night minimum stay, spokeswoman Robin Urbanski said.The new rules, which apply to nearly every ticket, are bound to be unpopular with business travelers who prefer to catch a flight out early in the morning so they can make it back home in time for dinner.Major carriers scrapped most minimum-stay rules - put in place largely to discourage big-budget corporate travelers from snatching up the cheapest seats - years ago,...(Read Full Post)