What airlines do you support for upgrade availability?

ExpertFlyer supports award and upgrade inventory for a specific set of airlines and class codes, including American Airlines, Air France, Emirates, Air Canada, Qantas Airways, KLM, China Southern Airlines, Korean Air, Air New Zealand, JetBlue, Alaska Airlines, Finnair, Aer Lingus, and others. ExpertFlyer also supports regular availability classes and fares for over 400 airlines.