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Revenue
 3 Months Ended
Mar. 31, 2024
Revenue from Contract with Customer [Abstract]  
Revenue Revenue
    
Operating revenues are comprised of passenger revenues, which include fare and non-fare revenues, and other revenues. The following table shows disaggregated operating revenues for the three months ended March 31, 2024 and 2023.
Three Months Ended March 31,
20242023
(in thousands)
Operating revenues:
Fare$519,942 $608,861 
Non-fare719,368 718,612 
Total passenger revenues1,239,310 1,327,473 
Other26,227 22,301 
Total operating revenues$1,265,537 $1,349,774 

The Company is managed as a single business unit that provides air transportation for passengers. Operating revenues by geographic region as defined by the DOT are summarized below:
Three Months Ended March 31,
20242023
(in thousands)
DOT—Domestic$1,094,690 $1,175,653 
DOT—Latin America170,847 174,121 
Total$1,265,537 $1,349,774 
The Company defers the amount for award travel obligations as part of loyalty deferred revenue within air traffic liability ("ATL") on the Company's condensed consolidated balance sheets and recognizes loyalty travel awards in passenger revenues as points are used for travel or expire unused.

As of March 31, 2024 and December 31, 2023, the Company had ATL balances of $475.7 million and $383.8 million, respectively. Substantially all of the Company's ATL is expected to be recognized within 12 months of the respective balance sheet date.

Loyalty Programs

The Company operates the Spirit Saver$ Club®, which is a subscription-based loyalty program that allows members access to unpublished, extra-low fares as well as discounted prices on bags and seats, shortcut boarding and security, "Flight Flex" flight modification product, and exclusive offers on hotels, rental cars and other travel necessities. The Company also operates the Free Spirit loyalty program, which attracts members and partners and builds customer loyalty for the Company by offering a variety of awards, benefits and services. Free Spirit loyalty program members earn and accrue points for dollars spent on Spirit for flights and other non-fare services as well as services from non-air partners such as retail merchants, hotels or car rental companies. Customers may also earn points based on their spending with the Company's co-branded credit card company with which the Company has an agreement to sell points. The Company's co-branded credit card agreement provides for joint marketing pursuant to which cardholders earn points by making purchases using co-branded cards. Points earned and accrued by Free Spirit loyalty program members can be redeemed for travel awards such as free (other than taxes and government-imposed fees), discounted or upgraded travel. The Company's agreement with the administrator of the Free Spirit affinity credit card program expires on December 31, 2028.