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Leases

3 Months Ended

Dec. 31, 2024

13.

Leases

As of December 31, 2024, we leased 24 aircraft, airport facilities, office space, and other property and equipment under non-cancelable operating leases. The leases generally require us to pay all taxes, maintenance, insurance, and other operating expenses. Operating leased expense is recognized as a rental expense on a straight-line basis over the lease term, net of lessor rebates and other incentives.

Aggregate rental expense under all aircraft, equipment and facility leases totaled approximately $3.3 million and $8.0 million for the three months ended December 31, 2024 and December 31, 2023, respectively.

The components of our lease costs were as follows (in thousands):


	Three Months Ended December 31,
	2024		2023
Operating lease costs	$	781	$	1,278
Variable and short-term lease costs		2,386		1,279
Interest expense on finance lease liabilities		48		1,289
Amortization expense of finance lease assets		54		4,123
Total lease costs	$	3,269	$	7,969

As of December 31, 2024, our operating leases have a remaining weighted average lease term of 6.5 years and our operating lease liabilities were measured using a weighted average discount rate of 6.0%.