JB, ID is right

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The CAB was renowned for its bureacratic inertia not "rubbertamping".
wikipedia wrote:
It also earned a reputation for bureaucratic complacency; airlines were subject to lengthy delays when applying for new routes or fare changes, which were not often approved. World Airways applied to begin a low-fare New York City to Los Angeles route in 1967; the CAB studied the request for over six years only to dismiss it because the record was "stale." Continental Airlines began service between Denver and San Diego after eight years only because a United States Court of Appeals ordered the CAB to approve the application.
If the CAB was doing any "rubberstamping" of fare requests it was only because it was so easy for the airlines to show that was what was needed to turn any reasonable profit, given the much more limited routes and schedules that they were allowed to fly, and even that was based on load factors that they weren't always able to acheive.
In a way, regulation was actually a good thing for them back then because, despite all the restrictions on when and where they could fly, at least they couldn't shoot themselves in the foot. Everyone was forced to charge the same high fares even if they wanted to offer lower ones (no one could try to undercut anyone else). It also kept out the competition from upstart low-cost airlines. As we all know, once they were left to their own devices, the fares that they voluntarily chose to set for themselves were much lower than the breakeven rates that were supposedly "rubberstamped" by the CAB. Each airline tried to increase total revenue by offering incredibly low fares in an effort to steal passengers from their competition and thereby increase their load factors. Since they were ALL doing that, all of their load factors stayed the same or even went down as all the airlines added more and bigger planes and newer discount airlines also entered the picture. If ever there were a more myopic idiotic industry than the US car industry, the US airline industry is it.
Anyway, we can debate about the nature of the relationship between regulation and the industry all you want but we can't escape the simple fact that however it has been structured the airline industry has been losing money for years and now more than ever with the recent spike in jet fuel prices. IMHV (view), I don't look at recent airfares as really being all that high as much as the fares during the period following deregulation as being artificially low (due to cutthroat competition, internecine price wars, etc.). Recent fares only SEEM high compared to what we've become used to paying. With most airlines flying at a loss, it was only a matter of time before something had to change and even now it remains a big question what will become of many of the major carriers. Hey, it was nice while it lasted but all good things eventually come to an end.
Even when they had low fares, simply "getting there" was always one of the biggest costs of travel and now more so than ever. The more expensive it was to get someplace, the longer one would need to stay there to "justify" the cost and thats still true. Many people are now choosing to travel closer to home. I used to say CR was good for a weekend or a week, Brazil a week or two and LOS for at least 2 weeks or longer. Now, even though the flights themselves to get to those places take the same amount of time as before, I'd probably stretch the time estimates for how long you need to stay at each place due to the radically higher airfares. With airfares from FL to CR now typically running close to $400 (and with local escort prices dropping to not much more than HDR colombiana rates), it becomes a bit extravagent to say the least to go there for just an extended weekend trip.
I've seen this coming for a while which is a big part of why I've restructured my career (into contract consulting) so that I could take more time away with each trip. For me personally, to cut down on the bite that the airlines take out of my travel dollars, I plan to take a lot fewer but much longer trips. That might mean taking that long delayed trip back to the far east, but with airfares out there being so much higher as well, it will probably just mean more extended trips south of the border.