"Table 3: Quarter-to-Quarter Changes in the Air Travel Price Index (ATPI) for the Latest Five Quarters (U.S.-Origin Itineraries, First Quarter 1995 = 100) Quarter-to-Quarter changes may be affected by seasonal factors",, Quarter and Year,ATPI,Percentage change from previous quarter Second Quarter 2004,106.2,-2.2 Third Quarter 2004,102.6,-3.4 Fourth Quarter 2004,102.2,-0.4 First Quarter 2005,103.9,1.6 Second Quarter 2005,108.2,4.1 "SOURCE: BTS, based on calculations using data from the BTS Passenger Origin and Destination Survey.",,