Figure 1,,,
"Percentage of City-Pairs with Lengthened Schedules by Intercity Passenger Mode and Service Type, February 1995 to February 2002
",,,
,All Markets,Direct Service ,Enroute Transfer 
Air (261 city-pairs),67.80%,67.80%,
Rail (246 city-pairs),61.80%,61.10%,62.10%
Bus (250 city-pairs),46.00%,51.90%,39.70%
NOTE: Only air city-pairs with direct service were considered in this analysis. See methodology notes on page 4 for more details.,,,
"SOURCE: Amtrak, National, Northeast and Schedule Change Timetables, various issues (Washington, DC); Russell’s Guides, Official National Motor Coach Guide, January 1985 and January 2002 (Cedar Rapids, Iowa); Greyhound Lines, Systems Timetable, January 1985 (Dallas, Texas); Official Airline Guide, February 1995 and 2002.",,,