United Airlines wants to fly you to the airport. United Airlines Holdings Inc. said Wednesday that it plans to buy up to 200 flying taxis from an electric aircraft startup, as the airline industry seeks new technologies to reduce its carbon footprint . The purchase would be worth $1 billion, according to Archer, the Palo Alto, Calif.-based company developing the air taxis. The tentative agreement is a stamp of approval for Archer, which said Wednesday that it will go public through a combination with a special-purpose acquisition company in a deal that values the combined company at about $3.8 billion. United and Mesa Air Group Inc., a regional carrier that is joining with United on the purchase, said they envision using the taxis to whisk passengers over congested highways to hub airports. The taxis, which Archer said will be capable of flying 60 miles at 150 miles an hour, […]