American Airlines fare classes explained
Every fare class (RBD — reservation booking designator) on American Airlines, what it means for award booking, and which classes are most useful to know.
Fare classes by cabin
First / Flagship First
| Class | Type | What it means |
|---|
| F | Full first class | Highest revenue first class |
| A | Discounted first | Lower-priced revenue first |
| P | Discounted first | Heavy discount first class |
Business / Flagship Business
| Class | Type | What it means |
|---|
| J | Full business class | Highest revenue business |
| C | Discounted business | Lower revenue business |
| D | Discounted business | Discount business |
| I | Award business | AAdvantage award business class space |
Premium Economy
| Class | Type | What it means |
|---|
| W | Full premium economy | Revenue premium economy |
| P | Premium economy award | Premium economy award space (legacy mapping varies) |
Main Cabin (Economy)
| Class | Type | What it means |
|---|
| Y | Full economy | Highest revenue economy |
| B / H / K / M / L / V / S / N / Q / O | Discounted economy | Various revenue fare classes from highest to lowest |
| T | Award economy | AAdvantage MileSAAver award economy space |
Basic Economy
| Class | Type | What it means |
|---|
| B (Basic) | Basic economy | Restricted, non-changeable economy |
Award fare classes you should care about
For award booking, these are the American Airlines classes that show inventory:
I (business saver)T (economy saver)P (first/premium variations)
Upgrade fare classes
C (paid upgrade)U (systemwide upgrade space)
Notes
American's award space appears in I (business) and T (economy MileSAAver) inventory. When booking partner awards (e.g., Cathay or Qatar via AAdvantage), the underlying partner's award class is what matters — see partner-specific entries.
Find available award space
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