[질문] 9호선,당산에서 김포공항까지 급행있나요? 있으면열차오는시간좀알려주세요.

있습니다.당산-김포공항19:48/20:08/20:28/20:48/21:08/21:28/21:48/22:08/22:28/22:48/23:08/23:28/23:48/00:08/00:28/00:48