I had to do some digging through my FSX Liveries to find this.
So, whoever made this livery, I salute you!
I've always loved this livery United used.
--
You'll need SkylineGTRFreak's original
747-100 Mod for this.
http://www.gtainside.com/en/sanandreas/airplanes/45090-boeing-747-100/