The ability to fly as it appears in fan-fics.
Justice Evolution - Superman, Superboy, Green Lantern, Martian Manhunter, Hawkgirl, Wonder Woman, Starfire, Blackfire, Raven, Storm, and Jean Grey can all fly and fight in the air with enemies such as Darkseid, Brainiac, Zod, Magneto, and Apocalypse. Amazo gained this power when he scanned Superboy.
Teen Titans - Superboy, Starfire, Blackfire, and Raven can all fly as well as allies like Superman, Krypto, Bizarro, and Galfore. They fight in the air with Zod, Jax-Ur, and Mala.
Starfire and the Seven Tiny Titans - Starfire can fly as well as Superboy, Wonder Girl, Green Lantern, and Hawkman. Blackfire can also fly as well.
Superboy - Starfire and Raven can fly as well as the deceased Superman. Superboy was unable to fly until Kid Flash pretended to give him a magic cape. With some encouragement of the others, Superboy was able to fly without it.
Conner - By the time he was a teenager, Conner could fly as well as Superman, Martian Manhunter, Hawkman, and Hawkgirl.