Air travel is undoubtedly the fastest and the safest way to travel which opens up a market for several companies to become your preferred airlines. In such a scenario, when the passenger is literally spoilt for choice and can easily acquire the best deals easily, it sometimes ironically becomes difficult for one to choose any one airline amongst so many. This is why an airline which can make permanent customers out of first time fliers is the one that can actually survive. One such airline is the Allegiant Air.
Frontier Airlines (F9) is a Denver-based low-cost carrier. The carrier flies to about 65 destinations in the United States, Costa Rica, the Dominican Republic, Jamaica and Mexico. Its fleet of planes each feature a single Economy Class cabin. However, passengers can upgrade to Select Seating, which is located toward the front of the plane, or Stretch Seating, which features more legroom. Frontier's hub is based at Denver International Airport (DEN). An additional eight airports have been designated as focus cities. The airline has a codeshare agreement with Great Lakes Airlines.
jetBlue expanded service to the Caribbean, including to St. Maarten and Puerto Plata commencing January 10, 2008. With these additional destinations, jetBlue serves a total of twelve Caribbean/Atlantic destinations including Aruba; Barbados; Bermuda; Cancún; Nassau; Aguadilla; Ponce; San Juan, Puerto Rico; Santiago; and Santo Domingo, Dominican Republic.[citation needed]
^ For comparison, fleet ages as of 2018: Southwest, 10.7 years; JetBlue, 9.7 years; Spirit, 5.4 years; WestJet, 9.7 years; Volaris, 4.3 years, Allegiant, 17 years, VivaAerobús, 5.2 years; Sun Country, 14.4 years. Information from Airfleets.net: Southwest, JetBlue, Spirit, WestJet, Volaris, Allegiant, VivaAerobús, Sun Country. (listed airlines from List of largest airlines in North America)
Founded in 1997 as WestJet Express, the company was renamed as Allegiant Air and started operations under the new name in 1998. From there on, company went on to become one of the most favorite low-cost airlines of America with their unmatched reliability, customer care and best in-class deals. Owned by Allegiant Travel Co. Allegiant Air have their headquarters in Enterprise, Nevada near Las Vegas. Today it has more than 1300 employees and over a billion USD capitalizations.

In September 2009, JetBlue made changes to its TrueBlue program.[132] In the new program, members receive three points for every dollar spent toward a flight, excluding taxes and fees, plus an additional three points for every dollar spent on a flight if booked online directly on the JetBlue.com website. Additional points are awarded if the member uses the Barclay's issued JetBlue Mastercard credit card to purchase the flight. The price of flights in points depend on the fare of the flight in U.S. dollars. The new program launched on November 9, 2009.[133][134]
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In February 2002, the airline launched its first regional product, Frontier JetExpress, initially operated by Mesa Airlines using CRJ-200 regional jets. Similar to "express" operations of other carriers, Frontier JetExpress was targeted for markets to and from Denver that do not generate traffic sufficient to support Frontier's smallest mainline jet, the Airbus A318, but could still offer lucrative business with a smaller jet.
During the last few days of June and the first few days of July 2015, jetBlue began charging for bags in certain booking classes, leaving Southwest Airlines the only major U.S. carrier to not charge for bags. For the classes in which bag check fees are charged (generally the lowest class of fares offered; jetBlue offers 3 classes of fares), the cost is $20 for the first bag and $35 for the second, which is the lowest in the United States besides Frontier Airlines with similar prices.[62]
In February 2002, the airline launched its first regional product, Frontier JetExpress, initially operated by Mesa Airlines using CRJ-200 regional jets. Similar to "express" operations of other carriers, Frontier JetExpress was targeted for markets to and from Denver that do not generate traffic sufficient to support Frontier's smallest mainline jet, the Airbus A318, but could still offer lucrative business with a smaller jet. 

In November 2012, Frontier started low-frequency service between Orlando International Airport and Trenton–Mercer Airport near Trenton, New Jersey,[40] which, at the time, had no commercial service. Frontier later expanded service several times from Trenton, and as of June 2016 services 11 destinations. Frontier currently bases three aircraft in Trenton.[citation needed] Trenton Mercer Airport lies roughly equidistant between Philadelphia International Airport and Newark Liberty International Airport.[citation needed]
JetBlue Technology Ventures (JTV) [137] is a wholly owned subsidiary of JetBlue that was established in February 2016.[138] JTV is the venture capital arm of JetBlue that invests in and partners with early-stage startups in the travel, hospitality, and transportation space. Its mission is to improve the end-to-end experience of travelers everywhere. As of November 2018, JTV has invested in 21 startups, including hybrid planes,[139] machine learning algorithms,[140] and ground transportation.[141] Investments range in size from $250,000 to $1 million.[142]
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