and how that may be a factor. also, if you're really going to think about it is there anything beyond that? could it be anything like somebody tampering with the system? >> the fact that they seem to be regaining some of their connectivity to me would rule out the possibility of a serious hack. let's hope that's not happening here. united and continental, as we said, have struggled over the last couple years to merge their systems, but they've really done that over the course of the last year. they have they had another connectivity problem or computer glitch about a month and a half ago but they seemed to work out those problems in the merger between united and continental. the fact you have another significant setback like this, i suspect, is going to raise a lot of eyebrows certainly with the company. you can bet the ceos and execs