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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022
Cash flows from operating activities: |  |
Net Income | $ 237 | $ 36
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Depreciation and amortization | 330 | 310
Stock-based compensation and other | 73 | 33
Special items - fleet transition and other (noncash) | 344 | 376
Special items - labor and related (noncash) | 51 | 0
Changes in certain assets and liabilities: |  |
Changes in deferred tax provision | 90 | 0
Increase (Decrease) in Accounts Receivable | (45) | (59)
Increase (Decrease) in Contract with Customer, Liability | 179 | 304
Increase in deferred revenue | 102 | 123
Proceeds from Income Tax Refunds | 0 | 260
Other - net | (258) | 26
Net cash provided by operating activities | 1,103 | 1,409
Property and equipment additions: |  |
Aircraft and aircraft purchase deposits | (669) | (688)
Other flight equipment | (153) | (156)
Other property and equipment | (169) | (103)
Total property and equipment additions, including capitalized interest | (991) | (947)
Purchases of marketable securities | (519) | (1,670)
Sales and maturities of marketable securities | 806 | 1,731
Other investing activities | (106) | (2)
Net cash used in investing activities | (810) | (888)
Cash flows from financing activities: |  |
Proceeds from issuance of debt | 313 | 0
Common stock repurchases | (70) | 0
Long-term debt payments | (242) | (333)
Other financing activities | 11 | 37
Net cash provided by (used in) financing activities | 12 | (296)
Net increase in cash, cash equivalents, and restricted cash | 305 | 225
Cash, cash equivalents, and restricted cash at beginning of year | 369 | 494
Cash, cash equivalents, and restricted cash at end of the period | 674 | 719
Cash paid during the period for: |  |
Interest (net of amount capitalized) | 85 | 72
Income taxes | 14 | 0
Non-cash transactions: |  |
Right-of-use assets acquired through operating leases | 120 | 419
Operating lease converted to finance lease | 505 | 0
Noncash or Part Noncash Acquisition, Fixed Assets Acquired | 179 | 0
Reconciliation of cash, cash equivalents, and restricted cash at end of the period |  |
Cash and cash equivalents | 647 | 688
Restricted cash included in Prepaid expenses, assets held-for-sale and other current assets | 27 | 31
Total cash, cash equivalents, and restricted cash at end of the period | $ 674 | $ 719

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