The Google Air Travel Index tracks queries related to "airlines, southwest, flights, airline, united airlines" and so forth. To see more details on the queries that make up this index, visit
Google Insights for Search
. You can compare the index with actual stocks, the Dow Jones, or Nasdaq by entering the respective tickers in the Compare box.
Read the description
for more information.
The index is set to 1.0 on January 1, 2004 and is calculated and displayed below as a 7-day moving average. The index is currently calculated only for US search traffic.