United promotes vaccinations with sweepstakes offer for free travel

MileagePlus members who upload proof of COVID-19 vaccination to United Airlines’ mobile app by June 22 will be entered in a sweepstakes drawing for free travel. The “Your Shot to Fly” promotion will award a round-trip flight for two in any cabin to 30 members and five grand-prize winners will receive the grand prize of a year of free travel worldwide.