. ♪ mony heat shields are compromised. we have multiple failures. what's that alarm?s down. i'm going to have to guide her in manually. this is very exciting. but i'm at my stop. come again? i'm watching this on the train. it's so hard to leave. good luck with everything. watch tv virtually anywhere with the u-verse tv app. with at&t, the u-verse revolves around you. >>> good evening. the long security lines, the delays, the fees, the lack of legroom, it is perhaps not surprising incidents of air rage are on the rise these days. what is surprising is to see a full-on meltdown play out on videotape as just happened on a cross-country flight. tonight, abc's david wright takes us inside this incident and inside the minds of the crew members who increasingly have to deal with this kind of thing. >> reporter: freak-out at 40,000 feet. >> all of a sudden this guy who was sleeping just woke up out of nowhere and started flipping out. >> reporter: the passenger on this jet blue flight to las vegas this weekend so distraught -- he punched and kicked the seats of his neighbors