The man was identified through investigative means that included internet social media.
He is not in custody, and detectives are actively searching for him.
The victim, Daja Robinson, was shot while sitting near the back of a Q6 bus on Sutphin Boulevard in Jamaica, Queens.
She is not believed to have been the target. The shooting is believed to have been the result of possible gang activity.
An NYPD camera in the vicinity, housed below large white boxes clearly marked with the NYPD insignia, did not capture the shooting.
There is a $2,000 reward being offered by 100 Blacks in Law Enforcement with any information leading to an arrest in this case.
Anyone with information about the shooting is urged to contact the Crime Stoppers Hotline at 1-800-577-TIPS