Wirelessly posted (Mozilla/5.0 (iPhone; CPU iPhone OS 7_0_3 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11B511 Safari/9537.53)
I got Service Unavailable on two flights. Worked on one. I've actually had terrible luck with having wifi--- only 3 flights this year with it and twice it didn't work.