NEW : Air Gourmet says it is not the airline 's provider out of state . The incident was on a domestic flight in Canada , the airline says . Gate Gourmet , a 20-year-old company that provided prepared sandwiches to Delta , said the sandwiches originated at the firm 's facility in Amsterdam . A spokesman says no other incidents were reported . The incident is similar to recent reports of fire in Delta Airlines aircraft .
NEW : Air Gourmet says it is not the airline 's provider out of state . The incident was on a domestic flight in Canada , the airline says . A spokesman says no other incidents were reported . The incident is similar to recent reports of fire in Delta Airlines aircraft .