Table 19,,,, "Amtrak On-Time Performance Trends and Hours of Delay by Cause ",,,, ,2001,2002,2003,2004 On-time performance,,,, Total (weighted),75%,76%,74%,71% Short distance (<400 miles)a,R85%,R87%,R82%,76% Long distance (>=400 miles) ,R69%,R70%,R70%,68% Hours of delay by cause,,,, Amtrakb,"27,822","26,575","25,711","28,323" Host railroadc,"52,273","55,090","57,346","61,256" Otherd,"3,741","4,266","5,355","5,582" Totale,"83,837","85,932","88,413","95,162" "a Includes all Amtrak Northeast Corridor and Empire Service (New York state) trains. b Includes all delays when operating on Amtrak-owned tracks and delays for equipment or engine failure, passenger handling, holding for connections, train servicing, and mail/baggage handling when on tracks of a host railroad. c Includes all operating delays not attributable to Amtrak when operating on tracks of a host railroad (e.g., track- and signal-related delays, power failures, freight and commuter train interference, routing delays). d Includes delays not attributable to Amtrak or host railroads (e.g., customs and immigration, law enforcement action, weather, or waiting for scheduled departure time). e Numbers may not add to totals due to rounding.",,,, Key: R = revised.,,,, Notes: All percentages are based on Amtrak's fiscal year (Oct. 1–Sept. 30). Host railroad is a freight or commuter railroad over which many Amtrak trains operate for all or part of their trips.,,,, Amtrak trips are considered delayed based on the following chart:,,,, Trip length (miles) ,Arrival time delay (minutes),,, 0–250,10,,, 251–350,15,,, 351–450,20,,, 451–550,25,,, > 551,30,,, "Source: Amtrak, personal communication, October 2004.",,,,