I was referencing this link:

http://www.aa.com/i18n/urls/entertai...mand.jsp#wi-fi

"Inflight Wi-Fi internet is now available on almost all aircraft operating within the continental U.S. – including all 767-200 and 737 aircraft and most MD80 and 757 aircraft."

Doesn't that seem to indicate that wifi is available on all 738 equipment?