Kapanen, who took four shots on goal in the contest, also registered one assist for the Flyers (23-8-5), who have played five straight one-goal contests and three games of an 11-game road trip. They have won five road games in a row.
Simon Gagne, Brian Savage and Branko Radivojevic also scored once and goalie Antero Nittymaki made 28 saves for Philadelphia.
The Flyers out-shot Atlanta, 32-31. Philadelphia went 0-for-5 on the power play while Atlanta was 0-for-2.
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