Aviation Analysis
In This Section
Airline Quarterly Financial Review - U.S. Major Group Carriers: Second Quarter 2025
Domestic Airline Consumer Airfare Report - 2nd Quarter 2025
Competitive Access to U.S. Airports
Office of Aviation Analysis
The Office of Aviation Analysis initiates and supports the development of the Department of Transportation's public policies regarding economic oversight of the airline industry in both domestic and international markets. The Office also has the responsibility to analyze and support the...
Standard Industry Fare Level
OverviewThe Airline Deregulation Act of 1978 (ADA), Public Law 95-504, substantially amended the Federal Aviation Act of 1958, setting both deadlines and policies for the economic deregulation of interstate and overseas (domestic) air transportation. Among other things, the ADA significantly...
Reports and Statistics
The Department of transportation collects air fare data and prepares them in compliance with Section 155 of Pub L. 106-181, to be used in the development of Airport Competition Plans. One component of the Competition Plan is an evaluation of the submitting airport’s fares compared to those at...
Mergers and Acquisitions
Section 7 of the Clayton Act prohibits mergers and acquisitions that may substantially lessen competition or create a monopoly. While the Department of Justice enforces this statute, the Department of Transportation conducts its own competitive analysis of mergers and submits its views in...
Data Collection and Modernization
There have been several changes in the way that airlines conduct their operations since the Department's data reporting requirements were established after deregulation, including tremendous growth in code sharing both domestically and in international markets. The Office of Aviation...
Alliances and Codeshares
/office-policy/aviation-policy/alliance-monitoring-overviewU.S. air carriers are required to submit cooperative service agreements that they have with each other, such as reciprocal code sharing, joint frequent flyer and lounge access, and joint marketing, to the Department for review before...