Filed Pursuant to Rule 424(b)(3)
Registration No. 333-115818
PROSPECTUS SUPPLEMENT NO. 3
TO THE PROSPECTUS DATED JULY 2, 2004
OF
FLYI, INC.
(formerly Atlantic Coast Airlines Holdings, Inc.)
$125,000,000
6% CONVERTIBLE NOTES DUE 2034
This prospectus supplement relates to resales of our 6% Convertible Notes due 2034 and shares of our common stock issuable upon conversion of the Notes, plus an indeterminate number of additional shares of common stock that may be issued from time to time upon conversion of the notes as a result of antidilution adjustments and as additional interest, in circumstances described in the prospectus to which this prospectus supplement refers.
This prospectus supplement, which supplements our prospectus dated July 2, 2004, contains additional information about the selling securityholders.
As used in this prospectus supplement, “the Company,” “we,” “our” or “us” refer to FLYi, Inc. (formerly Atlantic Coast Airlines Holdings, Inc.) except where the context otherwise requires or as otherwise indicated.
You should read this prospectus supplement in conjunction with the prospectus. This prospectus supplement updates information in the prospectus and, accordingly, to the extent inconsistent, the information in this prospectus supplement supercedes the information contained in the prospectus.
Investing in the securities offered in the prospectus involves risks. See “Risk Factors” beginning on page 8 of the prospectus.
Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or passed upon the adequacy or accuracy of this prospectus supplement. Any representation to the contrary is a criminal offense.
The date of this prospectus supplement is August 18, 2004