| 2026-07-29 | 10-Q | 10-Q filed 2026-07-29 by Frontier Group Holdings, Inc. |
| 2026-07-29 | 8-K | 8-K filed 2026-07-29 by Frontier Group Holdings, Inc. |
| 2026-07-17 | 8-K | 8-K filed 2026-07-17 by Frontier Group Holdings, Inc. |
| 2026-07-07 | 8-K | 8-K filed 2026-07-07 by Frontier Group Holdings, Inc. |
| 2026-06-30 | 8-K | 8-K filed 2026-06-30 by Frontier Group Holdings, Inc. |
| 2026-06-12 | 8-K | 8-K filed 2026-06-12 by Frontier Group Holdings, Inc. |
| 2026-05-15 | 8-K | 8-K filed 2026-05-15 by Frontier Group Holdings, Inc. |
| 2026-05-05 | 8-K | 8-K filed 2026-05-05 by Frontier Group Holdings, Inc. |
| 2026-05-05 | 10-Q | 10-Q filed 2026-05-05 by Frontier Group Holdings, Inc. |
| 2026-04-02 | DEF 14A | DEF 14A filed 2026-04-02 by Frontier Group Holdings, Inc. |
| 2026-03-17 | 8-K | 8-K filed 2026-03-17 by Frontier Group Holdings, Inc. |
| 2026-03-17 | 8-K | 8-K filed 2026-03-17 by Frontier Group Holdings, Inc. |
| 2026-02-18 | 10-K | 10-K filed 2026-02-18 by Frontier Group Holdings, Inc. |
| 2026-02-11 | 8-K | 8-K filed 2026-02-11 by Frontier Group Holdings, Inc. |
| 2026-02-09 | 8-K | 8-K filed 2026-02-09 by Frontier Group Holdings, Inc. |
| 2026-01-08 | 8-K | 8-K filed 2026-01-08 by Frontier Group Holdings, Inc. |
| 2025-12-15 | 8-K | 8-K filed 2025-12-15 by Frontier Group Holdings, Inc. |
| 2025-11-05 | 10-Q | 10-Q filed 2025-11-05 by Frontier Group Holdings, Inc. |
| 2025-11-05 | 8-K | 8-K filed 2025-11-05 by Frontier Group Holdings, Inc. |
| 2025-08-05 | 10-Q | 10-Q filed 2025-08-05 by Frontier Group Holdings, Inc. |
| 2025-08-05 | 8-K | 8-K filed 2025-08-05 by Frontier Group Holdings, Inc. |
| 2025-05-20 | 8-K | 8-K filed 2025-05-20 by Frontier Group Holdings, Inc. |
| 2025-05-16 | 8-K | 8-K filed 2025-05-16 by Frontier Group Holdings, Inc. |
| 2025-05-13 | 8-K | 8-K filed 2025-05-13 by Frontier Group Holdings, Inc. |
| 2025-05-01 | 10-Q | 10-Q filed 2025-05-01 by Frontier Group Holdings, Inc. |
| 2025-05-01 | 8-K | 8-K filed 2025-05-01 by Frontier Group Holdings, Inc. |
| 2025-04-10 | 8-K | 8-K filed 2025-04-10 by Frontier Group Holdings, Inc. |
| 2025-04-03 | DEF 14A | DEF 14A filed 2025-04-03 by Frontier Group Holdings, Inc. |
| 2025-03-13 | 8-K | 8-K filed 2025-03-13 by Frontier Group Holdings, Inc. |
| 2025-02-18 | 10-K | 10-K filed 2025-02-18 by Frontier Group Holdings, Inc. |