The conversation was uploaded by Steve Douglass on his blog, Deep Black Horizon.
American Airlines later confirmed that the leaked radio transmission came from Flight 2292.
The pilot describes a quick-moving, unusual object flying above them, according to the radio transmission.
The FBI have refused to say whether or not they are investigating a mysterious UFO incident (Image: FOX10)
The pilot was said the UFO was moving faster the plane, which was travelling at around 460 miles per hour at 36,000 feet (Image: FOX10)
In the conversation, the pilot says: “Do you have any targets up here? We just had something go right over the top of us.