David Neeleman, the founder of JetBlue, chose Airbus A320 over Boeing 737 for the first time in his aviation ventures.

David Neeleman co-founded WestJet, another airline he was involved in before launching JetBlue Airways.

On February 11th, 2000, JetBlue, the low-cost carrier, operated its first flight from New York JFK to Fort Lauderdale-Hollywood Airport. This marked the beginning of JetBlue's operations.

David Neeleman founded JetBlue in August 1999, aiming to offer low-cost travel with unique amenities like in-flight entertainment and TV at every seat.

The first Airbus A320 aircraft arrived in early December 1999 for JetBlue.

JetBlue Airways started its operations on February 11, 2000, focusing on affordable fares and excellent customer service.

On September 11th, 2001, the aviation industry faced a significant change due to tragic events. Despite the challenges, JetBlue, as a young carrier, managed to survive and grow amidst the aftermath.

In March 2002, JetBlue celebrated flying its five millionth customer.

JetBlue announced its Initial Public Offering (IPO) in April 2002, pricing 5,866,667 shares of its common stock at $27 per share. This move showed JetBlue's intention to become a national powerhouse in the aviation industry.

On January 31, 2003, JetBlue reported a net income of $54.9 million for the year 2002.

On July 13, 2004, JetBlue celebrated flying its 25 millionth customer.

On September 21, 2005, JetBlue Flight 292 made an emergency landing at Los Angeles International Airport due to a front landing gear failure during retraction.

In February 2006, JetBlue announced its first quarterly loss, but it returned to profitability by January 2007.

In October 2006, JetBlue announced a net loss of $500,000 for Quarter 3 and revealed a plan to regain that loss by deferring some E190 deliveries and selling five A320s. This financial setback prompted strategic adjustments.

In December 2006, as part of their 'Return to Profitability' plan, JetBlue removed a row of seats from their A320s to lighten the aircraft, reduce cabin crew size, and offset lost revenue, resulting in less fuel burned.

JetBlue bought additional O'Hare slots, started service to New York/JFK and Long Beach in January 2007. The airline also planned alliances with Aer Lingus and entered its first codeshare agreement with Cape Air.

An ice storm at JFK airport on February 14, 2007 caused 1,195 flights to be cancelled over a six day period, leading to stranded planes on the taxiway for hours. JetBlue faced extensive criticism for its handling of the situation, tarnishing its reputation for customer service.

Following the February 2007 incident, JetBlue's board replaced founder David Neeleman with Dave Barger as the new CEO. This leadership change caused demoralization within the company.

On November 8, 2007, JetBlue appointed Ed Barnes as interim CFO after the resignation of the former CFO John Harvey.

On December 13, 2007, JetBlue announced its intent to sell 19% of the company to Lufthansa, pending US regulatory approval. This partnership aimed to enable operational cooperation and codeshare agreements between the two airlines.

On March 19, 2008, JetBlue added Orlando, Florida, as a gateway focus city for international destinations in the Caribbean, Mexico, and South America. This expansion included new routes and significant operational growth at Orlando International Airport.

On May 21, 2008, JetBlue named Joel Peterson as chairman and Frank Sica as vice chairman of its board of directors, replacing former CEO David Neeleman. This leadership change marked a significant shift in the company's governance.

On August 4, 2008, JetBlue announced that they would replace their recycled pillows and blankets with an 'eco-friendly' pillow and blanket package that passengers would need to purchase. This decision was part of a strategy to increase revenue.

On October 22, 2008, JetBlue inaugurated its new primary hub at John F. Kennedy International Airport (JFK), Terminal 5, costing around $800 million to build. This new terminal replaced the old hub at JFK Terminal 6.

On March 26, 2009, San José, Costa Rica became JetBlue’s first destination in Central America.

On October 13, 2009, JetBlue revealed a new livery design in anticipation of the airline's tenth anniversary in February 2010. The updated livery featured a new tail design and larger 'billboard' titles on the aircraft.

On March 22, 2010, JetBlue announced that its headquarters would stay in the New York City area, specifically in Long Island City, due to various factors including historical ties, financial markets access, and partnerships with other airlines.

In March 2011, JetBlue started interline service with Virgin Atlantic, a transatlantic leader.

In June 2011, JetBlue introduced Even More Space and Even More Speed services, enhancing passenger experience with extra legroom, early boarding, and expedited airport security.

In March 27, 2012, JetBlue Flight 191, an Airbus A320-232, had to make an emergency landing at Rick Husband Amarillo International Airport after the captain experienced a mental breakdown. The situation was brought under control by passengers.

On June 13, 2012, JetBlue was ranked 'Highest in Customer Satisfaction Among Low Cost Carriers in North America' by J.D. Power and Associates for the eighth consecutive year.

In February 2013, JetBlue introduced Mobile Boarding Passes along with a new iPhone app.

In March 2013, JetBlue announced its 80th BlueCity in Worcester, Massachusetts.

In June 2013, JetBlue made an announcement that TrueBlue points would never expire under any circumstances.

In October 2013, JetBlue introduced its premium service, Mint, featuring lie-flat seats on transcontinental and select Caribbean routes. This marked the airline's entry into the premium segment.

On April 22, 2014, JetBlue's pilots voted to unionize for the first time since the airline's founding, with a majority in favor of joining the ALPA.

On September 18, 2014, Dave Barger announced his resignation from JetBlue effective February 16, 2015, following concerns from investors and the board about his performance. He was succeeded by Robin Hayes.

On July 3, 2015, JetBlue commenced weekly charter flights to Cuba from New York City using 150-seat Airbus A320s.

On August 31, 2016, JetBlue became the first American airline to resume commercial flights to Cuba after more than 50 years.

On October 25, 2016, JetBlue made a minority equity investment in JSX (then branded as JetSuiteX) and gained a seat on JetSuite's board of directors. The investment was part of JetBlue's strategy to expand its presence on the west coast and support innovative ideas.

In July 2017, JetBlue announced plans to develop a terminal at JFK that would encompass terminals 5, 6, and 7.

In April 2018, JetBlue announced its return to Ontario International Airport in southern California after a decade, along with new services to Steamboat Springs and Bozeman.

In July 2018, JetBlue placed an order for 60 Airbus A220 300 aircraft, with options for additional planes, to replace the Embraer 190 fleet.

On May 1, 2019, JetBlue appointed Michael Stromer as Chief Product Officer, Technology, to oversee various digital and operational aspects of the airline.

On May 29, 2019, JetBlue and Southwest Airlines tied for 'Highest in Customer Satisfaction Among Low Cost Carriers' in a study by J.D. Power.

On October 18, 2019, JetBlue and Norwegian Air Shuttle revealed plans for an interline agreement that would enable the sale of jointly-issued tickets, with the potential implementation in 2020. The collaboration aimed to leverage the strong presence of both airlines at New York–JFK, Boston, and Fort Lauderdale airports.

On July 9, 2020, JetBlue announced the impending closure of its base at Long Beach Airport, with operations shifting to Los Angeles International Airport. The decision followed years of negotiations and disputes with Long Beach city authorities over various operational aspects.

American Airlines and JetBlue formed a strategic partnership called the 'Northeast Alliance' to share passengers, revenue, and coordinate schedules for flights to and from New York's major airports and Boston. The partnership faced an antitrust lawsuit initiated by the Department of Justice in 2022, leading to a court ruling in favor of the DOJ in 2023.

JetBlue introduced its new Mint product called Mint Suite, to be configured on its Airbus A321LR fleet for transatlantic flights to London and on some A321neo aircraft for select flights to Los Angeles.

JetBlue announced its expansion into Canada with new routes between Vancouver and both New York City and Boston, aiming to enhance its international presence.

JetBlue operated its first Airbus A220-300 flight from Boston Logan International Airport to Tampa International Airport, marking a milestone in its fleet operations.

JetBlue confirmed the start dates and destination airports for its planned flights to London, announcing services from New York (JFK) to London Heathrow and Gatwick airports, with launches scheduled for August and September 2021.

On January 22, 2022, JetBlue Flight 1748, an Airbus A320-232, suffered a tail strike during takeoff while trying to avoid a landing Beechcraft Super King Air 350. The flight was diverted with no injuries.

On July 28, 2022, JetBlue announced an agreement to purchase Spirit Airlines for $3.8 billion, facing opposition from the U.S. Department of Justice's Antitrust Division over concerns of potential negative impacts on consumers.

The court ruled in favor of the Department of Justice, declaring the JetBlue-American partnership anticompetitive and ordering it to be unwound. Despite American's plan to appeal, JetBlue decided to terminate the alliance, impacting their future plans and regulatory challenges.

On October 31, 2023, the trial commenced for JetBlue's proposed acquisition of Spirit Airlines, with arguments presented on the potential impacts of the merger on competition and consumer choice.

In a ruling on January 16, 2024, a federal judge blocked JetBlue's acquisition of Spirit Airlines following concerns raised by the Justice Department, leading to the cancellation of the merger.

JetBlue plans to retire its E190 aircraft by 2026, as part of its fleet modernization strategy.

JetBlue announced its goal to achieve net-zero carbon emissions by 2040 through investments in sustainable aviation fuels and improving air traffic control efficiency.