PHOENIX, July 6, 2006 -- Mesa Air Group, Inc. (NASDAQ: MESA) today reported its preliminary traffic figures for June 2006.

"June weather was particularly harsh this year as severe thunderstorms and the resulting air traffic control disruptions impacted our Midwestern and East Coast operations," said Mesa Air Group Chairman & CEO Jonathan Ornstein. "We would like to thank our partner airlines for their assistance and our employees for their efforts in this difficult environment."

Mesa launched their independent Hawaii division named go! on June 9th. For the period of June 9 through 30, go! had an overall completion factor of 100%. go!'s on time arrival rate for June was 88.9%. During its 22 days of operation in June, go! produced a load factor of 82.5%.

"The highlight of June was the launch of our new Hawaii division, go!. We would like to thank our new customers for their support and extend a warm 'mahalo' to all the people who have greeted us so warmly," Ornstein added. "We would also like to thank our go! employees and service partners who performed flawlessly during the start up. We are delighted with the initial traffic figures and look forward to providing a consistent, high quality product in the interisland market at the lowest possible price."

For further information regarding this press release please contact Brian Gillman at 602-685-4000 or [email protected] or visit our website at www.mesa-air.com.

HONOLULU— Hawaii's new interisland carrier, go!, a division of Mesa Air Group, Inc. (NASDAQ - MESA), today began service between Hilo and Honolulu with fares as low as $39*. go! employees greeted the first passengers arriving in Hilo from Honolulu, Kahului and Lihue at 8:09 a.m. "Hilo is an extremely important addition to our interisland service. We're happy to provide Hilo residents and those who visit Hilo with affordable interisland travel as we've promised," said Jonathan Ornstein, Mesa Air Group Chairman and CEO. "Bookings for the flights this summer have exceeded our expectations and we are optimistic that we will be able to continue to add additional service in the months and years ahead," added Ornstein. Travelers will be able to fly from Hilo to Honolulu with five roundtrips each day starting as early as 6:10 a.m., with the last flight at 7:48 p.m. go! passengers traveling to Hilo from Honolulu can also fly five roundtrips each day departing as late as 9:30 p.m. A sixth daily roundtrip flight will be added on July 14, 2006 between Honolulu and Hilo. "I am heartened that go! has kept to its word and has started service to Hilo," said State Senator Lorraine Inouye. "The added competition has helped make interisland travel more affordable for our residents and will encourage visitors to visit the island of Hawaii," she added. go! now offers 62 daily flights with service between Honolulu and Lihue, Kahului, Kona, and Hilo. Passengers who register for the go! Miles frequent flyer program can earn go! Miles redeemable for future travel. 500 miles are earned just for registering online. Additional information is available and tickets can be booked online at www.iflygo.com or by calling toll free, 1-888-IFLYGO2.

go! also offers special reduced fares for military personnel, their spouses and dependents. Active duty personnel from every branch of the U.S. military are eligible, including the Army, Navy, Air Force, Marines and Coast Guard, as well as active duty members of the Reserve and National Guard. In addition to these discounts, go! is also waiving ticket change fees for military fares. Special military fares must be booked via the go! toll-free reservation number at 1-888-IFLYGO2 and are subject to certain restrictions. Seats are limited and may not be available on every flight.