Transportation
- ATA Airlines, an American airline operating from 1973 to 2008
- ATA Holdings, now Global Aviation Holdings, owner of ATA Airlines
- ATA Cruiser, a civil utility aircraft built by Adams-Toman Aircraft Co in the 1920s
- Air Transport Association of America, former name of Airlines for America
- Air Transport Auxiliary of the British Royal Air Force
- American Trucking Associations
- Actual Time of Arrival, when a vehicle arrived - see Estimated time of arrival
- ATA Carnet, an international customs document for importing goods
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