The frequent flyers over at Flight are reporting that iPod connectivity to airlines’ in-flight entertainment (IFE) systems are starting to take off: “Singapore Airlines last week started supplying iPod and iPhone connectivity on the first of five newly reconfigured all-business Airbus A340-500s. United Airlines is expected to soon offer this feature in the premium cabins of its international widebody fleet, and Air New Zealand has opted for iPod integration as part of a retrofit of Airbus A320s and Boeing 767s