Metro Link (from airport to hotel) The Metrolink light rail system operates between Lambert-St. Louis Airport and the downtown area. Hyatt Regency St. Louis at the Arch guests can exit at 8th and Pine Street (hotel is at 4th and Pine St.) just minutes from the hotel.  Each terminal has its own train station.  Trains run every 12-20 minutes throughout the day, total travel time is a…