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-08||Aug-09|
|On-time performance (percent on-time)||68.1||79.6|
|Percent change from same month previous year||4.13||16.89|
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 December 2009.