Why we probably will not be driving to Las Vegas

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Given my early onset dementia and fatigue level, I'd say a 22 hour drive would take 3 days, 2 hotel stays and take way too much time and energy. I'm shopping airfare and so far NWA is winning at $360 round trip. While we can always drive to Little Rock and fly from there, that's 2+ hours and gas and time is money. I am guessing I'll get a great deal with NWA closer to July, maybe April?