A Lee Williamson equaliser salvaged Sheffield pride for United but left Wednesday deep in relegation trouble as the 125th Steel City derby ended up even at 1-1.
Wednesday led through Darren Potter, but Williamson levelled with a second-half free-kick.
United were denied an early lead after ten frantic minutes when the upright saved their cross-city rivals.
A corner driven in by James Harper was.
Sheffield Wednesday v Sheffield United Full match details