See fare-class inventory, not just available prices
Booking sites show you which fares exist. ExpertFlyer shows you which fare-class buckets the airline is still holding open, so you can compare inventory across departures before you choose.
Flight Availability
See which fare-class booking buckets are open on any route before you book, upgrade, or rebook.
Start 5-Day Free TrialFlight Availability is built for travelers who need to know what is actually open before they make a decision.
Booking sites show you which fares exist. ExpertFlyer shows you which fare-class buckets the airline is still holding open, so you can compare inventory across departures before you choose.
Before you redeem miles or submit an upgrade request, check which classes are available on your route. Filter by fare class to focus on the inventory that matches your redemption strategy.
When your original flight changes or gets canceled, check alternate routes, dates, airlines, and connections immediately. See which alternatives still have open inventory in your preferred class before you call the airline.
Narrow results by airline, alliance, connection type, fare class, or point of sale. You see only the departures relevant to your search, not every option on the route.

You have a date in mind and want to see which flights still have awards or upgrade inventory in the classes that matter before you commit. Enter your route and date, filter by fare class, and compare open buckets across departures side by side.

When your plans shift, use Flight Availability to check alternate routes, dates, airlines, and connection options before you call the airline. See which alternatives still have inventory in your preferred class before you commit to a change.

Before booking a specific departure, check its fare-class inventory to understand how many seats the airline is still making available in each booking bucket. Use class-code filters to focus on the inventory tiers relevant to your ticket or upgrade.
- Atlanta R.
"Being able to search by fare, seats, upgrades and airlines has saved me countless hours on the phone with different airlines. The sheer amount of options to refine my searches is pretty unmatched."
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Built for AAdvantage Concierge Key, Executive Platinum & Platinum Pro members. Find SWU availability in minutes, not days.
Best for frequent flyers who want to use Systemwide Upgrades, eUpgrade credits, or Global certificates.
Best for occasional travelers planning a major redemption
Enter an airline, flight number, and departure date to see scheduled times, aircraft type, meal service, terminals, and two months of on-time reliability history for any flight up to 330 days out.
View featureSaved Flight QueriesSave, label, and revisit the flight searches you run most often.
View featureFlight Schedule AlertsMonitor any flight for departure or arrival time shifts. ExpertFlyer checks continuously and notifies you by email the moment a change is published, often hours or days before the airline reaches out.
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