# FRONTIER AIRLINES INC /CO/

FRONTIER AIRLINES INC /CO/ is a company headquartered in Denver, CO, United States.

## Company overview

- **Legal name:** FRONTIER AIRLINES INC /CO/
- **Classification:** Company
- **Industry (SIC):** 4512 — Air Transportation, Scheduled
- **Headquarters:** Denver, CO, United States
- **Incorporated in:** CO
- **Fiscal year end:** March 31
- **SEC CIK:** 0000921929

## About

FRONTIER AIRLINES INC /CO/ is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000921929, and its reported industry is Air Transportation, Scheduled. The retained history contains 12 filings, including SC 13G filed on 2008-02-08. Each filing retains its accession, filing date and original SEC document link. This historical evidence does not establish current registration, listing, ownership or financial condition.

## Recent SEC filings

- Form SC 13G — filed 2008-02-08 — 13G FILING AS OF DECEMBER 31, 2007
- Form SC 13G — filed 2008-01-29
- Form SC 13G — filed 2007-07-09
- Form SC 13G — filed 2007-06-18
- Form SC 13G — filed 2007-03-22 — SCHEDULE 13G
- Form SC 13G — filed 2007-02-13 — 13G FILING FOR 2006
- Form 10-K — filed 2006-05-31 — period 2006-03-31
- Form 8-K — filed 2006-04-04 — period 2006-04-03 — CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES
- Form 8-K — filed 2006-03-16 — period 2006-03-09 — CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES
- Form 8-K — filed 2006-03-03 — period 2006-03-02 — CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES
- Form 8-K — filed 2006-02-23 — period 2006-02-16 — FORM 8-K
- Form SC 13G — filed 2006-02-14 — 13G FILING AS OF DECEMBER 31, 2005

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Updated: 2026-10-23T22:09:23Z

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