Originally Posted by
SheBangsTheDrums
You're really asking if its ok to take a kinfe on a flight?
If the OP is not a frequent flyer, he may not be aware of the latest rules. There was a time a couple of years ago when TSA had initially announced they'd be allowing small knives, but then backed off that pledge. No need to condescend.
And yes, it is US-specific, given that he is referring to flying Southwest.