This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. More References 7. Cathay Pacific, Swiss, and Virgin Atlantic are among the carriers that use this method. On these types of domestic flights, an upgrade is definitely worth trying for. However, what he or she can do is add a code that signifies to the gate agent that you are eligible for an upgrade, increasing your chances at the gate. Nonetheless, you could still get lucky if the flight is overbooked or in other special circumstances. Most leisure travelers ignore advertised business-class fare sales entirely. Think of this new U. You will be notified via email about your upgrade status usually 1 to 3 days but no later than 4 hours before the flight departure. About 24 to 72 hours before take-off, passengers receive notice if the upgrade went through. All rights reserved. When the gate agent asks for people who are willing to give up their seat, volunteer if you can be upgraded on the small business credit cards using ein only fast bitcoin. Volunteer to take a later flight upgrade to business class the plane is overbooked. Be early. United States Change Country.