Major airline carrier United Airlines (NYSE:UAL) stock has been plunging with the market sell-off despite improvement in its underlying business. The epicenter stock of the pandemic can’t seem to catch a break. Even as the reopening was accelerated by spread of COVID vaccinations, Omicron surged to negatively impact bookings. Just as spring bookings started to recover in January, Putin decides to invade Ukraine. The Russian invasion of Ukraine has hurt the airline industry directly and indirectly. While flights into and out of Russia are no longer available, it’s the rising fuel prices that ar…