GoGoInFlight.com were handing out coupons recently for FREE Wifi (normally costs $9.99) on Air Tran & Delta Flights.
1. Select ‘gogoinflight’ as the wireless network and go to any web page
2. Sign in or click ‘buy’ to create a new account with gogoinflight.com
3. On ‘payment info’ page, enter this promo code: 159flt3161
(Expires 8/31/09)