Written and first recorded by David Frizzell (C&W 67 1970).
Other hit version by Susan Raye (US #54/C&W #9/CAN #26/NZ #1/AUS #2 1971)
Also recorded by Shirley Myers (2003).
From the wiki: “‘L.A. International Airport’ was written by Leanne Scott and was first recorded by David Frizzell in 1970. Susan Raye recorded her version of the song in 1971, which became an international hit. The song enjoyed much greater success outside of America and was a major pop hit in many countries, including New Zealand and Australia.
“The song was rerecorded with updated lyrics in 2003 by Shirley Myers for the 75th Anniversary of LAX.”