Just about every airplane is full this summer. So, how soon should you get to the airport? CBS News travel editor Peter Greenberg has more.

(Photo by Miguel J. Rodriguez Carrillo/Getty Images)

<p>Just about every airplane is full this summer. So, how soon should you get to the airport? CBS News travel editor Peter Greenberg has more.</p>
<p>(Photo by Miguel J. Rodriguez Carrillo/Getty Images)</p>

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