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Statements of Consolidated Cash Flows (UA) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Operating Activities: |  |  |
Net income (loss) | $ 2,618 | $ 737 | $ (1,964)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities - |  |  |
Deferred income tax (benefit) | 756 | 248 | (583)
Depreciation and amortization | 2,671 | 2,456 | 2,485
Operating and non-operating special charges, non-cash portion | 84 | 16 | 32
Unrealized (gains) losses on investments | (27) | (20) | 34
Amortization of debt discount and debt issuance costs | 139 | 156 | 171
Other operating activities | 6 | 218 | 222
Changes in operating assets and liabilities - |  |  |
Increase in receivables | (100) | (158) | (448)
Increase in prepaids and other assets | (463) | (86) | (292)
Increase (decrease) in advance ticket sales | (851) | 1,200 | 1,521
Increase in frequent flyer deferred revenue | 468 | 393 | 307
Increase in accounts payable | 572 | 796 | 985
Increase (decrease) in other liabilities | 1,038 | 110 | (403)
Net cash provided by operating activities | 6,911 | 6,066 | 2,067
Investing Activities: |  |  |
Capital expenditures, net of flight equipment purchase deposit returns | (7,171) | (4,819) | (2,107)
Purchases of short-term and other investments | (9,470) | (11,232) | (68)
Proceeds from sale of short-term and other investments | 10,519 | 2,084 | 397
Proceeds from sale of property and equipment | 39 | 207 | 107
Other, net | (23) | (69) | (1)
Net cash used in investing activities | (6,106) | (13,829) | (1,672)
Financing Activities: |  |  |
Proceeds from issuance of debt and other financial liabilities, net of discounts and fees | 2,388 | 736 | 11,096
Payments of long-term debt, finance leases and other financial liabilities | (4,248) | (4,011) | (5,205)
Proceeds from issuance of parent company stock | 0 | 0 | 532
Net cash provided by (used in) financing activities | (1,892) | (3,349) | 6,396
Net increase (decrease) in cash, cash equivalents and restricted cash | (1,087) | (11,112) | 6,791
Cash, cash equivalents and restricted cash at beginning of year | 7,421 | 18,533 | 11,742
Cash, cash equivalents and restricted cash at end of year | 6,334 | 7,421 | 18,533
Investing and Financing Activities Not Affecting Cash: |  |  |
Property and equipment acquired through the issuance of debt, finance leases and other | 777 | 19 | 814
Right-of-use assets acquired through operating leases | 552 | 137 | 771
Lease modifications and lease conversions | 546 | (84) | 123
Investment interests received in exchange for goods and services | 33 | 103 | 295
Cash Paid During the Period for: |  |  |
Interest | 1,848 | 1,573 | 1,424
Income taxes | 7 | 8 | 0
United Airlines, Inc. |  |  |
Operating Activities: |  |  |
Net income (loss) | 2,620 | 739 | (1,962)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities - |  |  |
Deferred income tax (benefit) | 757 | 248 | (583)
Depreciation and amortization | 2,671 | 2,456 | 2,485
Operating and non-operating special charges, non-cash portion | 84 | 16 | 32
Unrealized (gains) losses on investments | (27) | (20) | 34
Amortization of debt discount and debt issuance costs | 139 | 156 | 171
Other operating activities | 7 | 218 | 222
Changes in operating assets and liabilities - |  |  |
Increase in receivables | (100) | (158) | (448)
Increase in intercompany receivables | (33) | (76) | (28)
Increase in prepaids and other assets | (463) | (86) | (293)
Increase (decrease) in advance ticket sales | (851) | 1,200 | 1,521
Increase in frequent flyer deferred revenue | 468 | 393 | 307
Increase in accounts payable | 572 | 796 | 985
Increase (decrease) in other liabilities | 1,035 | 110 | (403)
Net cash provided by operating activities | 6,879 | 5,992 | 2,040
Investing Activities: |  |  |
Capital expenditures, net of flight equipment purchase deposit returns | (7,171) | (4,819) | (2,107)
Purchases of short-term and other investments | (9,470) | (11,232) | (68)
Proceeds from sale of short-term and other investments | 10,519 | 2,084 | 397
Proceeds from sale of property and equipment | 39 | 207 | 107
Other, net | (23) | (69) | (1)
Net cash used in investing activities | (6,106) | (13,829) | (1,672)
Financing Activities: |  |  |
Proceeds from issuance of debt and other financial liabilities, net of discounts and fees | 2,388 | 736 | 11,096
Payments of long-term debt, finance leases and other financial liabilities | (4,248) | (4,011) | (5,205)
Proceeds from issuance of parent company stock | 0 | 0 | 532
Net cash provided by (used in) financing activities | (1,860) | (3,275) | 6,423
Net increase (decrease) in cash, cash equivalents and restricted cash | (1,087) | (11,112) | 6,791
Cash, cash equivalents and restricted cash at beginning of year | 7,421 | 18,533 | 11,742
Cash, cash equivalents and restricted cash at end of year | 6,334 | 7,421 | 18,533
Investing and Financing Activities Not Affecting Cash: |  |  |
Property and equipment acquired through the issuance of debt, finance leases and other | 777 | 19 | 814
Right-of-use assets acquired through operating leases | 552 | 137 | 771
Lease modifications and lease conversions | 546 | (84) | 123
Investment interests received in exchange for goods and services | 33 | 103 | 295
Cash Paid During the Period for: |  |  |
Interest | 1,848 | 1,573 | 1,424
Income taxes | $ 7 | $ 8 | $ 0

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