Southwest Airlines may not own a plane with a headrest infotainment system, but it's still far and away the most enjoyable commercial flight you'll find in the US of A (save for Virgin America, naturally). Granted, we'd like to see in-flight WiFi offered on a few more of its flights (read: 100 percent of them), but hey, we'll take free checked bags and friendly employees any day of the week. We'll also take fuel savings and environment
