服务日期起始时间2026年9月8日 18:39 起预定出发时间显示 4班次到计划实际402Welwyn Garden City, New QEII Hospital (Stop B)18:51—402Welwyn Garden City, New QEII Hospital (Stop B)19:21—402Welwyn Garden City, New QEII Hospital (Stop B)19:51—402Welwyn Garden City, New QEII Hospital (Stop B)20:21—计划值和观察值分开保存。当缺乏特定站点的观察时，BustimeFinder 不会虚构实时出发。