The carrier previously had a plan to extend its 4G LTE network to the skies in late 2015.
The Department of Transportation is said to be looking at a blanket ban on up-in-the-air chatting.
Much of the equipment that planes and ships use to access satellite communications networks is wide open like the sea and sky itself, says a security researcher presenting his findings later this week.
The wireless carrier partners with aerospace leader Honeywell to bring airline passengers a 4G LTE connection.
The airlines is reportedly getting ready to debut an Apple-only entertainment service that will let users access more than 150 movies and 200 TV shows while up in the air.
Gogo and Delta have the necessary approvals to start installing satellite dishes into Delta's fleet of long-haul international jets. Globe-trotters could be connected as soon as March.
The airline's BoardConnect entertainment system can stream in-flight movies directly to Android, iOS, or Windows Phone devices.
Even though the FCC is moving forward on lifting the ban on phone calls while in flight, Delta's CEO says his airline still won't allow it.
A recent FCC vote improves the chances for in-flight cell phone use, but not everybody is thrilled about the possibility.
Measure passes by a 3-2 vote, paving the way for lifting the ban. Ultimately though, the Transportation Department gets final say.