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US Airlines: The Pill Won’t Fly, Initiating with Delta at Overweight

GLP-1s will have cut US airlines’ fuel burn by about half a cent a gallon by 2028, while EIA’s 2026 jet fuel forecast alone is 19 cents lower than 2025. Buy airlines for fuel, premium demand and balance sheets, not the pill: Delta Overweight (Dec-26 PT $84), United Overweight, Southwest Neutral, American Underweight.

By K2 Research TeamJan 11, 2026PDF · 9 pages

GLP-1s will have cut US airlines’ fuel burn by about half a cent a gallon by 2028, while EIA’s 2026 jet fuel forecast alone is 19 cents lower than 2025. Buy airlines for fuel, premium demand and balance sheets, not the pill: Delta Overweight (Dec-26 PT $84), United Overweight, Southwest Neutral, American Underweight.

What’s inside

  1. Initiating: Delta Overweight, Dec-26 PT $84
  2. The pill is a rounding error; fuel is not
  3. The gearing story, corrected
  4. Summary investment thesis and valuation
  5. Fuel vs. the pill: big-four pre-tax impact
  6. Fuel and capacity update
  7. 3Q25 summary (Delta)
  8. Delta Air Lines Dec-26 PT methodology
  9. Delta Air Lines earnings trends
  10. The arithmetic of a lighter passenger
  11. Fuel is the heavyweight: who is geared to what
  12. Coverage summary and valuation
  13. Risks to rating and price target
  14. What would make us wrong?
  15. Other coverage: United, Southwest and American