车次:K255发站:桐城(19:53)到站:南昌(00:55)历时:05:02硬座:51.5硬卧:97.5/102.5/105.5软卧:149.5/155.5车次:K491发站:南昌(01:23)到站:贵阳(19:01)历时:17:38硬座:156.5硬卧:270.5/279.5/288.5软卧:422.5/440.5