The phrase "realistic prospect" means having a reasonable chance or possibility of something happening or being achieved based on practical considerations and circumstances. Full definition
What is the plan for, or even realistic prospect of, connecting all those people? (grist.org)
That vital top four finish is looking like a far more realistic prospect after today, and the possibility of finishing in the top two or three remains very real indeed. (manchesterlalala.com)
A World Cup place with England could even be a more and more realistic prospect for the youngster, who can operate as a defender or midfielder on that left - hand side. (caughtoffside.com)