Exhibit 10.3 February 17, 1995 6-1162-RCN-837 United Air Lines, Inc. Executive Offices P. O. Box 66100 Chicago, IL 60666-0100 Attention: J. L. Pollock Sr. Staff Representative Aircraft Purchasing Subject: Master Change 4630MP7002 and Master Change 4630MK7006 Gentlemen: By way of confirmation, the agreement we reached with Jerry Pollock is as follows: United will purchase the subject changes as follows: Master Change 4630MP7002 for [*CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] and Master Change 4630MK7006 [*CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]. [*CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]. [*CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]. I believe these points are consistent with our telephone discussion with Jerry. If you agree, please indicate by signing below. Very truly yours, BOEING COMMERCIAL AIRPLANE GROUP By /s/ R.C. Nelson Its Attorney-In-Fact Concurrence: UNITED AIR LINES, INC. By: /s/ Douglas A. Hacker Its: Senior Vice President and Chief Financial Officer