On February 28, 2016, JYP Entertainment first announced that Got7 will have a comeback when they released a poster of the schedule and timeline.[2] The day later they revealed the track-list.[3]
On March 21, 2016, both "Fly" and their fifth EP Flight Log: Departure were released.
"Fly" was written, composed and arranged by Earattack as well as being written and composed by The Kick Sound and arrangement also by OhBros and 5$.[4]
The song is composed in the key G Major and has 133 beats per minute and a running time of 3 minutes and 12 seconds.[5]
The song speaks of a pure and discreet love, combining funk and hip hop over a trap base. The chorus, characterized by falsetto, mixes synths and electronic music.[6]
↑Kwon, Soo-bin (March 31, 2016). 갓세븐, '엠카' 1위 등극 '멤버들 눈물 글썽'[GOT7, 'M-Countdown' ranked 1st, 'Members in tears']. News1 (in Korean). Archived from the original on November 13, 2020. Retrieved November 12, 2020– via Naver.
↑4월 1주순위[Music Bank ranking for the first week of April]. KBS Music Bank (in Korean). April 4, 2016. Archived from the original on April 14, 2022. Retrieved April 14, 2022.
↑'뮤직뱅크' 갓세븐, 첫 지상파 1위…3관왕 눈물 감동 폭발['Music Bank' Got7, first terrestrial broadcaster... 3 crowns tears emotional explosion]. My Daily (in Korean). April 1, 2016. Archived from the original on April 22, 2022. Retrieved April 20, 2022– via Naver.