准点率(On-time performance,OTP)是指一家公共汽车、铁路或航空公司于一定时间段内发出的班次中准时班次(或是误差小于指定时间)的百分比。交通工具的准点率越高,表示其准时的比例越高。在许多运输系统中,准点率是其运输效能的重要指标。
On time Performance = Services on time Total Services × 100 % {\displaystyle ={\frac {\text{Services on time}}{\text{Total Services}}}\times 100\%}
(1)
Passenger Delay Minutes = Minutes service delayed × Number of Passengers {\displaystyle ={\text{Minutes service delayed}}\times {\text{Number of Passengers}}}
(2)