Analyses by political scientists following the 1992 election show conclusively that Perot did not change the outcome of the election. He drew just about even support from liberals, conservatives, Democrats, and Republicans alike. Those who voted for Perot tended to express greater dissatisfaction with national politics than those who did not, and those expressing this dissatisfaction belonged to both major parties.
In a pairwise election between just Clinton and George H.W. Bush, Clinton would have won.
-- Todd/Leviathn