Exhibit 99


For Immediate Release                   Contact: Rick DeLisi
February 20, 2004         Director, Corporate Communications
Page 1 of 2                                   (703) 650-6019

       Atlantic Coast Airlines Holdings, Inc. Announces
    Pricing of its $125 Million Convertible Senior Notes

Dulles,  VA,  (February 20, 2004) - Atlantic Coast  Airlines
Holdings,  Inc. (Nasdaq/NM: ACAI), parent of Atlantic  Coast
Airlines  (ACA), today announced the pricing of its offering
of  $125  million  of  6%  Convertible  Notes  due  2034  to
qualified  institutional buyers pursuant to Rule 144A  under
the  Securities  Act  of 1933.  The sale  of  the  notes  is
expected  to close on February 25, 2004.   These  notes  are
convertible  into  Atlantic Coast Airlines  Holdings,  Inc.,
common  stock  at  a conversion rate of 90.2690  shares  per
$1,000  principal  amount  of notes  (equal  to  an  initial
conversion price of approximately $11.08 per share), subject
to adjustment in certain circumstances. Holders of the notes
may  convert  their  notes only if: (i)  the  price  of  the
Atlantic  Coast  Airlines  Holdings,  Inc.'s  common   stock
reaches  a  specified threshold; (ii) the trading price  for
the  notes  falls below certain thresholds; (iii) the  notes
have been called for redemption; or (iv) specified
corporate transactions occur.

Atlantic  Coast Airlines Holdings, Inc., may redeem  all  or
some  of the notes for cash at any time on or after February
20,  2007,  at specified redemption prices plus accrued  and
unpaid interest, if any, to the redemption date. Holders may
require   Atlantic   Coast  Airlines  Holdings,   Inc.,   to
repurchase  the  notes on February 15 of 2009,  2014,  2019,
2024  and  2029 at a repurchase price equal to the principal
amount  plus  accrued and unpaid interest, if  any,  to  the
repurchase  date.   The  Company  has  granted  the  initial
purchaser of the notes a 30-day option to purchase up to  an
additional  $25 million principal amount of the notes.   The
company intends to use the net proceeds of this offering for
working  capital and general corporate purposes,  including,
without  limitation, for purchasing aircraft, financing  the
acquisition of aircraft, paying security deposits  and  pre-
payment obligations on aircraft.

This  press release does not constitute an offer to sell  or
the solicitation of an offer to buy securities and shall not
constitute   an   offer,  solicitation  or   sale   in   any
jurisdiction in which such offer, solicitation  or  sale  is
unlawful.  The  notes  and the common  stock  issuable  upon
conversion of the notes have not been registered  under  the
Securities  Act of 1933 or applicable state securities  laws
and, unless so registered, may not be offered or sold in the
United  States  except  pursuant to an  exemption  from  the
registration   requirements  of  the  Securities   Act   and
applicable state securities laws.

ACA  currently  operates  as  Delta  Connection  and  United
Express in the Eastern and Midwestern United States as  well
as  Canada.   On  July  28,  2003, ACA  announced  plans  to
establish a new, independent low-fare airline to be based at
Washington   Dulles  International  Airport-to   be   called
Independence   Air.   The  company  has  a  fleet   of   144
aircraft-including a total of 120 regional  jets-and  offers
800  daily departures, serving 80 destinations.  ACA employs
approximately 4,100 aviation professionals.


                             ###

Statements  in this press release and by Company  executives
regarding its implementation of new business strategies,  as
well  as regarding operations, earnings, revenues and costs,
represent forward-looking information. A number of risks and
uncertainties  exist  which could cause  actual  results  to
differ materially from these projected results. These  risks
and  uncertainties  are  more fully  disclosed  under  "Risk
Factors"  and  "Management's  Discussion  and  Analysis   of
Financial  Condition  and  Results  of  Operations"  in  the
Company's  Annual  Report on Form 10-K for  the  year  ended
December  31, 2003. These statements are made as of February
20,   2004  and  Atlantic  Coast  Airlines  Holdings,   Inc.
undertakes  no obligation to update any such forward-looking
information,  including as a result of any new  information,
future events, changed expectations or otherwise.