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Revenue Recognition (Tables)
12 Months Ended
Dec. 31, 2023
Revenue from Contract with Customer [Abstract]  
Disaggregation of Revenue
Passenger revenue is the most significant category in the Company's reported operating revenues, as outlined below:

Year Ended December 31,
(in thousands)202320222021
Scheduled service$1,133,001 $1,062,753 $769,371 
Ancillary air-related charges1,137,226 1,025,549 788,064 
Loyalty redemptions54,170 49,460 21,001 
Total passenger revenue$2,324,397 $2,137,762 $1,578,436 
Contract with Customer, Asset and Liability
The following table presents the activity of the co-brand credit card and the loyalty program as of the dates indicated:
Year Ended December 31,
(in thousands)20232022
Balance at January 1$56,500 $40,449 
Points awarded68,483 65,511 
Points redeemed(54,170)(49,460)
Balance at December 31$70,813 $56,500