Is it safe to say that you are looking for subtleties on How would I find My Confirmation Number from Southwest Airlines? You have come to the best spot. Here you go! Travelers can find their confirmation numbers by visiting Southwest airline’s official site and to check air booking data. Client ought to enter their names and credit card subtleties to recover their confirmation numbers. How do I Find My Southwest Airlines Confirmation Number? Read or Dial: +1 800 435 9792 or +1 888-894-2072 (OTA).