NOTES: Amtrak changed its method for reporting delays by cause in 2000. Therefore, data before 2000 are not comparable to previous years and are not presented here.
Amtrak 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.
Host railroad includes all operating delays not attributable to Amtrak when operating on tracks of a host railroad, such as track- and signal-related delays, power failures, freight and commuter train interference, and routing delays. Also includes delays for track repairs/track conditions, freight train interference, and signal delays.
Other includes delays not attributable to Amtrak or other host railroads, such as customs and immigrations, law enforcement action, weather, or waiting for scheduled departure time.
SOURCES: 1993-1999-National Railroad Passenger Corp. (Amtrak), Amtrak Annual Report (Washington, DC: Annual Issues). 2000-2003-Amtrak, personal communication, Oct. 22, 2003.