EXHIBIT 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in this Registration Statement of United Parcel Service, Inc. on Form S-8 of our report dated January 30, 2001, appearing in the Annual Report on Form 10-K of United Parcel Service, Inc. for the year ended December 31, 2000. /s/ Deloitte & Touche LLP Atlanta, Georgia September 26, 2001 12