December 22, 2017: Both airlines, who use Gate Gourmet catering out of LAX, are dealing with something extra with their contract food service provider — LISTERIA. It seems Gate Gourmet has a serious food health issue in its LAX kitchens — both airlines are providing meal vouchers for travelers to buy food for their flights before boarding as onboard meal services won’t be up to standards — what ever that is? Wonder who’s been minding the kitchen there?