"During boarding of flight #1904 from Phoenix to Portland, Ore. Wednesday night, our initial reports indicate a support dog's teeth scraped a child's forehead as the young passenger approached the animal, causing a minor injury," Southwest said in a statement. "EMTs evaluated the child, who was cleared to continue on the flight. The dog and its owner remained in Phoenix as the aircraft departed approximately 20 minutes behind schedule. As always, the safety of our Customers is our highest priority."