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American Airlines Group (AAL) is back in focus after completing a commercial passenger flight using electro sustainable aviation fuel produced by Infinium. The move puts real-world decarbonization efforts directly on investors' radar.

See our latest analysis for American Airlines Group.

The eSAF milestone lands at a time when American Airlines Group's share price has been volatile. The 1 day share price return was 0.87%, following a 7 day share price return that fell 6.05%. However, a 90 day share price return of 22.34% and a 1 year total shareholder return of 17.47% indicate that momentum has been building over a longer stretch, despite a modest decline in the year to date share price return of 2.71%.

If this kind of sustainability driven story has your attention, it can also be useful to look at companies supplying the hardware and systems behind electrification and smart grids, and the 36 power grid technology and infrastructure stocks .

After American Airlines Group's sharp swing in recent weeks and a share price still trading below some valuation estimates, the real puzzle is whether the bigger upside is still ahead or if the eSAF bounce has already done the heavy lifting.

Most Popular Narrative: 21.1% Undervalued

At a last close of $15.06 against a narrative fair value of about $19.08, American Airlines Group is framed as undervalued, with that view hinging on a specific earnings and margin path over the next few years.

The significant growth in engaged AAdvantage loyalty program members and the new 10-year Citi card agreement, launching in 2026, provide structural tailwinds by expanding high-margin partnership revenue, stabilizing earnings, and offering recurring free cash flow benefits over the long term.

Read the complete narrative.

Want to see why this matters so much for American Airlines Group's valuation story? The fair value hinges on a specific blend of revenue growth, margin rebuild, and earnings power that is anything but conservative.

Result: Fair Value of $19.08 (UNDERVALUED)

Have a read of the narrative in full and understand what's behind the forecasts.

However, heavy labor costs and American Airlines Group's large debt burden, along with sensitivity to higher fuel prices, could quickly challenge this upbeat valuation narrative.

Find out about the key risks to this American Airlines Group narrative.

Next Steps

With both risks and rewards in play for American Airlines Group, it makes sense to move quickly and test the numbers yourself before sentiment shifts. To see the full picture of potential upsides alongside the concerns already flagged, take a closer look at the 3 key rewards and 3 important warning signs .