certainly not giving us many details. this is a statement from the airline. they're saying they're working to resolve what they're calling a technical issue. which is affecting several airports. and they're trying to get that fixed as soon as possible. but that's about it. so if they do know what the problem is is they haven't shared that information with us just yet. of course, everyone waiting and wondering, because in the past, we've talked a lot about the vulnerability as it relates to these airlines and their computer systems, whether it's a situation where it's a hardware failure or something more nefarious. we don't know any of those answers at this point. but we do know, as you rightly pointed out, these are some major airports here. dfw, like you said, a hub for american airlines. mia. very, very busy international airport. so to have a ground stop on traffic going in or out, extremely disrupp tiextreme ly disruptive, wolf.