Monthly data, not seasonally adjusted
National Railroad Passenger Corporation Amtrak trips of up to 250 miles are considered on time if they arrive less than 10 minutes beyond the scheduled arrival time; 251-350 miles, 15 minutes; 351-450 miles, 20 minutes; 451-550 miles, 25 minutes; and greater than 550 miles, 30 minutes.
|Passenger Rail On-Time Performance||Aug-07||Aug-08|
|On-time performance (percentage on-time)||65.4||68.1|
|Percent change from same month previous year||1.87||4.13|
NOTE: the current value is compared to the value from the same period in the previous year to account for seasonality.
SOURCE: National Railroad Passenger Corporation Amtrak, Monthly Performance Reports, available at http://www.amtrak.com/ as of November 2008.