20 May 2025

Boeing Purchase Authorization Contract Review.

Disclaimer. This analysis is based on a review of publicly available information ONLY. 

Executive Summary

This report provides a comprehensive legal and commercial analysis of publicly available aircraft purchase agreements between Boeing and a selection of its airline and leasing customers. The agreements span legacy contracts (TWA/McDonnell Douglas) to modern lessor and low-cost carrier deals (e.g., Air Lease Corporation, Allegiant Air). Key clauses such as termination rights, refund provisions, delivery terms, and performance guarantees are compared to identify contractual flexibility and risk allocations.

Contracts Reviewed

  1. TWA (via McDonnell Douglas)

  2. Delta Air Lines

  3. United Airlines:

    • Purchase Agreement No. 03776 (2012)

    • Purchase Agreement No. 04761 (2018)

    • Purchase Agreement No. 03860 (2012)

    • Purchase Agreement No. 04815 (Date unspecified)

  4. LAN Airlines (LATAM)

  5. Air Lease Corporation

  6. Allegiant Air:

    • Purchase Agreement No. PA-05130 (2021)

Clause Comparison Overview

The table below summarizes key contract provisions across all reviewed agreements. Categories include termination rights due to delays or certification loss, refund mechanisms, force majeure treatment, delivery protections, and governing law. For ease of comparison, a companion spreadsheet provides a detailed clause-by-clause breakdown.

Assessment

I have re-read 3 of them (TWA (717), Delta (737-800) and United (737 Max-9). In all cases a 6 month delay was grounds for termination and refund which is pretty standard. In the case of United there was also a clause for liquidated damages. Disclaimer these are public copies so there is no record of any comfort letter and significant portions of the contract of these agreements are redacted. However, they conform largely to the structure of versions I have seen. I note that there were several other airlines who also were in the same situation. Specifically LOT, AirEuropa and SmartWings. It should be noted that ultimately these airlines have indeed operated their 737 Maxs. 

Key Takeaways and Observations

- United Airlines' later agreements offer stronger protections and refund mechanisms, especially related to FAA certification.
- Air Lease Corporation agreements are structured with lessor flexibility, including deferrals and remarketing rights.
- Delta’s agreements strike a middle ground, balancing airline leverage with Boeing delivery flexibility.
- Allegiant’s contract reflects modern low-cost carrier concerns, focusing on performance guarantees and refund rights.
- TWA (MDC-era) agreement is outdated and provides limited buyer protection compared to modern Boeing contracts.

 


Airline / Buyer Agreement Description Filing Date Link
TWA (via McDonnell Douglas) Aircraft Purchase Agreement (likely MD-80 series) 1999 https://www.sec.gov/Archives/edgar/data/278327/000027832799000013/0000278327-99-000013-d3.html
Delta Air Lines General Purchase and Sale Agreement N/A https://corporate.findlaw.com/contracts/planning/purchase-and-sale-agreement-delta-air-lines-inc-and-the-boeing.html
United Airlines PA-03776 – Boeing 737 (Original) Dec-12 https://www.sec.gov/Archives/edgar/data/100517/000119312512435658/d408868dex103.htm
United Airlines PA-03860 – Follow-on 737 agreement Dec-12 https://www.sec.gov/Archives/edgar/data/100517/000119312513028139/d474719dex101.htm
United Airlines PA-04761 – Purchase of 737 MAX aircraft Dec-18 https://www.sec.gov/Archives/edgar/data/100517/000119312518343814/d663045dex101.htm
United Airlines PA-04815 – Subsequent modifications Not stated https://www.sec.gov/Archives/edgar/data/100517/000119312519217308/d769943dex101.htm
LAN Airlines S.A. (LATAM) Boeing 787-8 and 787-9 Jun-08 https://www.sec.gov/Archives/edgar/data/1047716/000119312508140337/dex45.htm
Air Lease Corporation Boeing 737-8 and 737-9 Jul-22 https://www.sec.gov/Archives/edgar/data/1487712/000162828022012628/ex-109xq122.htm
Delta Air Lines (737-10) Specific 737-10 Acquisition Mar-24 https://www.sec.gov/Archives/edgar/data/27904/000002790424000012/dal9302024ex102a.htm
Allegiant Air PA-05130 – 737 MAX Agreement Jan-22 https://www.sec.gov/Archives/edgar/data/1362468/000136246822000007/ex101.htm

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