Matt Damon and his wife Luciana arrived at LAX to catch a flight out of town yesterday. The couple made their way to the West Coast on Sunday and spent just one night in LA. The quick trip was timed just a few days after the arrival of Matt's best friend Ben Affleck's new son. Ben and Jennifer Garner welcomed baby Samuel last week, so perhaps Matt and Luciana made a visit to the newest member of the Garner-Affleck family during their stay in CA. Matt will soon be teaming up with another pal when he gets started filming Promised Land in Pittsburgh with John Krasinski.