JetBlue Profit to Be Hurt by Hurricanes  NEW YORK (Reuters) - JetBlue Airways Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=JBLU.O target=/stocks/quickinfo/fullquote"&gt;JBLU.O&lt;/A&gt; on  Wednesday lowered its estimate for third-quarter earnings,  citing disruptions from Hurricanes Charley and Frances.