Several noncooperating coworkers caused the project to be delivered late.

Etymology
non- +‎ cooperating.
Adjective noncooperating ‎(not comparable) Wictionary

Or rephrasing  : Several coworkers, who did not cooperate well, caused the project to be delivered late.

Several noncooperating coworkers caused the project to be delivered late.

Adjective noncooperating ‎(not comparable)
Etymology: non- +‎ cooperating.
— Wictionary

Or rephrasing: 
Several coworkers, who did not cooperate well, caused the project to be delivered late.