1946: Trans-Pacific Airlines' inaugural flight. The first plane was a war surplus DC-3.

March 2003: Hawaiian Airlines files for Chapter 11 bankruptcy protection.

April 2003: Aloha reports a net loss of $43 million in 2002, surpassing its $11.1 million loss the previous year.

May 2004: Aloha reports a net profit of $1.18 million for 2003.

June 2004: Aloha eliminates first-class service after becoming the first Hawai'i-based airline to offer the premium seating 21 years earlier.

November 2004: David Banmiller, a former top executive with Air Jamaica, replaces Glenn Zander as president and CEO of Aloha.

Dec. 30, 2004: Aloha files for Chapter 11 bankruptcy protection.

May 17, 2005: Aloha reports a net loss of $30.4 million in 2004.

Feb. 17, 2006: Aloha exits bankruptcy 14 months after filing for Chapter 11 protection.

April 28, 2006: Aloha terminates pensions of nearly 4,000 of its employees and retirees and turns the plans over to the Pension Benefit Guaranty Corp.

May 2006: Aloha reports an $18.5 million net loss in 2005.

June 9, 2006: go! airlines enters the interisland airline market with $39 one-way fares.

Aug. 30, 2006: Gordon Bethune, who led the turnaround at Continental Airlines, is named chairman of Aloha and its parent company.

Oct. 13, 2006: Aloha sues Mesa Air Group, alleging the Phoenix-based parent of the new interisland carrier go! misused confidential information in an attempt to drive Aloha out of business.

May 3, 2007: United Airlines announces it will acquire a minority stake in Aloha Airlines, providing the struggling local carrier with the backing of the nation's second-largest airline.

May 11, 2007: Aloha reports a net loss of $40.5 million in 2006.

Feb. 19, 2008: Crude oil prices close above $100 a barrel for the first time.

March 20, 2008: Aloha files for Chapter 11 bankruptcy protection for the second time in just over three years.

March 30: Aloha announces it will shut down passenger operations after March 31.