HIGHOutside partyCounterparty
Citibank N.A.
“10-K Item 1: 'Citibank N.A. (Citi) became the exclusive issuer of the AAdvantage co-branded credit card portfolio in the U.S.'”
AAL · Concentration risk · 10-K extracted
American Airlines Group (AAL) concentration risks
Updated
The most significant concentration American Airlines Group discloses is Citibank N.A., classified HIGH by disclosed size. Below: the full set from the latest 10-K — verbatim quotes, filing references, and a synthesis of what these exposures mean together.
Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results.
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Source: American Airlines Group’s SEC Form 10-K filed — view the filing on SEC EDGAR ↗
At a glance
Disclosed-size breakdown · 1 disclosed concentration
HIGH1
MEDIUM0
LOW0
Disclosed concentrations
Each card carries a disclosed-size chip (HIGH / MEDIUM / LOW — how large the exposure is as a share of revenue, not how dangerous it is) and a nature tag: Built-in(the company’s own model, geography, or products) or Outside party (an external customer, supplier, or distributor it relies on).
TrendMatrix Research · concentration synthesis
What these concentrations mean together
updated 2026-06-24The airline's single disclosed concentration is counterparty-driven: Citibank N.A. is the exclusive issuer of the AAdvantage co-branded credit card portfolio in the U.S.. By disclosed size this is a high-share dependency, and its character is a contractual reliance on one financial partner rather than a structural feature of the route network or fleet. The co-branded card program is an important source of loyalty-program cash flows, so the exclusivity arrangement concentrates that stream in a single counterparty; a renegotiation, non-renewal, or deterioration in that relationship is the channel through which it could matter to results. Because it is the only disclosed concentration, there is no overlapping customer, geographic, or supplier exposure to compound it. On balance the profile is narrow but meaningful — a single-counterparty dependency tied to a discrete commercial contract rather than a diversified set of exposures — and it is the relationship most worth tracking when judging the durability of AAdvantage economics.
For the engine’s reasoning on AAL’s current verdict — including which dimensions drove the score — see the per-dimension breakdown.
Industry peers · Airlines
Peer concentration profile
| Symbol | Name | HIGH | MEDIUM | LOW | Total |
|---|---|---|---|---|---|
| LUV | Southwest Airlines Company | 2 | 0 | 0 | 2 |
| JBLU | JetBlue Airways Corporation | 1 | 4 | 0 | 5 |
| AAL● | American Airlines Group, Inc. | 1 | 0 | 0 | 1 |
| SKYW | SkyWest, Inc. | 1 | 0 | 0 | 1 |
| ALK | Alaska Air Group, Inc. | 0 | 2 | 1 | 3 |
| DAL | Delta Air Lines, Inc. | 0 | 1 | 0 | 1 |
Concentration counts reflect items disclosed in each peer’s most recent 10-K; disclosed-size classification uses TrendMatrix’s internal 10-K extraction taxonomy.