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Frontier Airlines10-K: Competitor named

Identifies numerous competitors including 'Big Four' and other ULCCs

What happened

Frontier explicitly names its key competitors, segmenting them into 'Big Four' (American, Delta, United, Southwest), 'Middle Three' (Alaska/Hawaiian, JetBlue), and other ULCCs (Allegiant, Spirit, Sun Country), indicating a highly competitive landscape.

Source

SEC EDGARFeb 18, 2026

Annual report (Form 10-K)

Frontier Airlines 10-K for FY2025

Filing excerpt

Our principal competitors on domestic routes are American Airlines, Delta Air Lines, United Airlines and Southwest Airlines (which classifies itself as a LCC), which are commonly referred to as the “Big Four” carriers, and Alaska Airlines and Hawaiian Airlines, who completed their merger in 2024, which together with JetBlue Airways Corporation (which classifies itself as a LCC), are commonly referred to as the “Middle Three” carriers.

sec.gov/Archives/edgar/data/1670076/000167007626000020/fron-20251231.htmRead the full source

Other signals in this filing (11)

Extracted by Autobound

From the Signal API record
Signal
10-K: Competitor named

What this signalsFilings often name leadership changes, deals and spending plans.

Period
FY2025
Fiscal year end
12/31
Filed
Feb 18, 2026

More 10-K signals at other companies

The full record

From the Signal API record

Details

CIK
1670076
Accession number
0001670076-26-000020
Filing year
2026
Why it matters
Competitive intelligence
Signal category
Market

Topics and mentions

Competitors

  • American Airlines
  • Delta Air Lines
  • United Airlines
  • Southwest Airlines
  • Alaska Airlines
  • Hawaiian Airlines
  • JetBlue Airways Corporation
  • Allegiant Travel Company

Extraction

Confidence
High
Relevance
100%
Sentiment
Neutral
Detected
Feb 24, 2026
signal_type
sec-10k
signal_subtype
competitorNamed

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The API returns more than this page shows

This page shows a preview. The full sec-10k record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.

Company

  • linkedin_urlValue in the API
  • industriesValue in the API
  • employee_count_lowValue in the API
  • employee_count_highValue in the API
  • revenueValue in the API
  • descriptionValue in the API

Signal

  • signal_nameValue in the API
  • associationValue in the API
Show the full JSONThe record on this page and the API request

GET /v1/signals/6fe7cfc5-bec2-4677-b79c-c5186888262b returns this record as JSON. POST /v1/companies/enrich returns every signal for flyfrontier.com.

{
  "signal_id": "6fe7cfc5-bec2-4677-b79c-c5186888262b",
  "signal_type": "sec-10k",
  "signal_subtype": "competitorNamed",
  "detected_at": "2026-02-24T09:58:09.637+00:00",
  "company": {
    "name": "Frontier Airlines",
    "domain": "flyfrontier.com"
  },
  "data": {
    "detail": "Frontier explicitly names its key competitors, segmenting them into 'Big Four' (American, Delta, United, Southwest), 'Middle Three' (Alaska/Hawaiian, JetBlue), and other ULCCs (Allegiant, Spirit, Sun Country), indicating a highly competitive landscape.",
    "summary": "Identifies numerous competitors including 'Big Four' and other ULCCs",
    "excerpts": "Our principal competitors on domestic routes are American Airlines, Delta Air Lines, United Airlines and Southwest Airlines (which classifies itself as a LCC), which are commonly referred to as the “Big Four” carriers, and Alaska Airlines and Hawaiian Airlines, who completed their merger in 2024, which together with JetBlue Airways Corporation (which classifies itself as a LCC), are commonly referred to as the “Middle Three” carriers.",
    "relevance": 1,
    "sentiment": "neutral",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/1670076/000167007626000020/fron-20251231.htm",
    "filing_date": "2026-02-18",
    "filing_year": 2026,
    "fiscal_year_end": "12/31",
    "sales_relevance": "Competitive intelligence",
    "signal_category": "market",
    "competitors_mentioned": [
      "American Airlines",
      "Delta Air Lines",
      "United Airlines",
      "Southwest Airlines",
      "Alaska Airlines",
      "Hawaiian Airlines",
      "JetBlue Airways Corporation",
      "Allegiant Travel Company"
    ]
  }
}

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