From chicagoblackhawks.com:
(link)The Chicago Blackhawks have announced a crowd of 22,712 fans for their contest tonight against the Philadelphia Flyers, establishing a franchise record for the highest attendance for a regular-season game. Tonight’s matchups eclipsed the previous regular-season mark of 22,690 fans set on October 25, against the Detroit Red Wings.
Chicago has entertained 16 sellout crowds in 16 home dates and leads the National Hockey League with an average of 21,552 fans per game this season.