ALLEGIANT REPORTS MAY 2011 TRAFFIC HIGHEST MAY PRASM AND TRASM IN THE COMPANY'S HISTORY

Las Vegas, June 6, 2011/GLOBENEWSWIRE -- Allegiant Travel Company (NASDAQ:ALGT) today reported preliminary passenger traffic results for May 2011.

Scheduled Service

                                             May 2011     May 2010     Change

Passengers                               433,329        456,673          (5.1%)

Revenue passenger miles (000)   387,091        419,073          (7.6%)

Available seat miles (000)           420,002        455,062          (7.7%)

Load factor                               92.2%           92.1%          0.1 pts

Departures                                 3,206            3,341          (4.0%)

Average stage length (miles)            873               908          (3.8%)

Total System*

                                             May 2011      May 2010     Change

Passengers                               464,983        483,016          (3.7%)

Revenue passenger miles (000)   411,038        441,597          (6.9%)

Available seat miles (000)            466,664        502,350          (7.1%)

Load factor                                 88.1%           87.9%          0.2 pts

Departures                                  3,785            3,930          (3.7%)

*Total system includes scheduled service, fixed fee contract and non-revenue flying.

Preliminary Financial Results

Change

April 2011 actual year-over-year

scheduled passenger revenue per ASM (PRASM) change                23.9%

April 2011 actual year-over year

scheduled total revenue per ASM (TRASM) change                          20.4%

May 2011 estimated year-over-year PRASM change                     34.6 - 35.0%

May 2011 estimated year-over-year TRASM change                    26.7 - 27.1%

May 2011 estimated average fuel cost per gallon - system                       $3.20

May 2011 estimated average fuel cost per gallon - scheduled                  $3.47

Guidance

ASMs - Available seat miles

About the Company
Las Vegas-based Allegiant Travel Company (NASDAQ: ALGT) is focused on linking travelers in small cities to world-class leisure destinations such as Fort Lauderdale, Fla., Las Vegas, Los Angeles, Phoenix-Mesa, Orlando, Fla., and Tampa/St. Petersburg, Fla.  Through its subsidiary, Allegiant Air, the company operates a low-cost, high-efficiency, all-jet passenger airline offering air travel both on a stand-alone basis and bundled with hotel rooms, rental cars and other travel-related services.  In 2010, Allegiant was ranked number one for low-cost carriers in Aviation Week's Top Performing Airline study and ranked 25 on FORTUNE magazine's Fastest-Growing Companies list.  ALGT/G

Note: This news release was accurate at the date of issuance. However, information contained in the release may have changed. If you plan to use the information contained herein for any purpose, verification of its continued accuracy is your responsibility.

For further information please visit the company's investor website: http://ir.allegiant.com

Reference to the Company's website above does not constitute incorporation of any of the information thereon into this news release.

Under the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, statements in this press release that are not historical facts are forward-looking statements. These forward-looking statements are only estimates or predictions based on our management's beliefs and assumptions and on information currently available to our management. Forward-looking statements include our statements regarding future departure and capacity growth. Forward-looking statements include all statements that are not historical facts and can be identified by the use of forward-looking terminology such as the words "guidance", "believe," "expect," "anticipate," "intend," "plan," "estimate," "project," "hope" or similar expressions.

Forward-looking statements involve risks, uncertainties and assumptions. Actual results may differ materially from those expressed in the forward-looking statements. Important risk factors that could cause our results to differ materially from those expressed in the forward-looking statements generally may be found in our periodic reports filed with the Securities and Exchange Commission at www.sec.gov.

Any forward-looking statements are based on information available to us today and we undertake no obligation to update publicly any forward-looking statements, whether as a result of future events, new information or otherwise.

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