If you're flying out of Charlotte, the CLT Check-in process is generally pretty straightforward, especially if you prepare before arriving. I usually recommend checking in online through your airline's app or website before heading to the airport. It can save time and lets you have your boarding pass ready on your phone.
If you're checking a bag, you'll still need to stop at your airline's counter or bag-drop area. For carry-on travelers who have already checked in, you can usually head toward security once you're inside the terminal.
I'd suggest arriving early, particularly if you're traveling during a weekend, holiday, or busy morning period. Around two hours before a domestic flight is a comfortable starting point, while international trips may require more time.
Keep your ID, boarding pass, and any travel documents somewhere easy to reach. It also helps to check your flight status before leaving home since gates and schedules can occasionally change.
Overall, a little planning makes the airport experience much less stressful. If you're traveling from Charlotte for the first time, giving yourself extra time is probably the best advice.