Employer · WARN Act history · Transportation & Warehousing
Southwest Airlines
7,210 workers across 7 WARN notices, primarily in CO - recorded in the current PlainLayoffs dataset.
- 7,210
- Workers cut
- 7
- WARN notices
- 6
- States
- 1,030
- Avg / notice
Southwest Airlines has 7 recorded WARN filings affecting 7,210 workers
According to WARN Act filings submitted to state workforce agencies, Southwest Airlines has 7 recorded filings covering 7,210 workers across 6 states, primarily CO, the 19th-largest recorded WARN footprint among 7,009 tracked employers. WARN notices cover qualifying reported events, so this record is not a complete count of the employer's workforce changes.
Southwest Airlines accounts for 4.6% of Transportation & Warehousing's 158,362 WARN-laid-off workers across 311 tracked employers in the dataset — #4 in Transportation & Warehousing by workers affected.
Southwest Airlines WARN workers by state
Sum of workers_affected on each filing row, grouped by the state agency that received the notice, not a corporate headcount by HQ state.
Southwest Airlines city concentration · single-city dominant
Named cities on WARN filing rows only (city blank on a filing is omitted). Shares are of the city-tagged worker total, not every notice in the record.
97.2% of named-city WARN workers for Southwest Airlines sit in Dallas (7,000 of 7,205).
Lead city Dallas · 97.2% · 5 named cities · top-3 share 99.2%
DOL WARN employer filing desk
Employer SOUTHWEST-AI · Southwest Airlines 7,210 workers · 7 filings
NOTC-MID · WORK-TOP · PHOTO-UNK · RUNWAY-LONG · STAT-NATIONAL · BOOK-MULTI · TYPE-LAYOFF
- NOTC-MID 7 filings
- WORK-TOP #19
- PHOTO-UNK No peer
- RUNWAY-LONG 68d
- STAT-NATIONAL 6 states
- BOOK-MULTI 6 agencies
- TYPE-LAYOFF 7 layoffs
Stamps derive from filed notice_date, effective_date, workers_affected, state agency source, and filing type in this dataset, not a prediction of future layoffs.
Largest Southwest Airlines WARN filings · notice runway
Top 5 rows by workers_affected from this employer's filed notices. Runway = calendar days from notice_date to effective_date when both are published and forward-dated.
- Dallas, TX · Layoff · Transportation & Warehousing 7,000 workers · filed Oct 1, 2020 · 0d runway
- Portland, OR · Layoff · Transportation & Warehousing 85 workers · filed Dec 3, 2020 · 102d runway
- Arlington, VA · Layoff · Transportation & Warehousing 60 workers · filed Dec 3, 2020 · 102d runway
- SeaTac, WA · Layoff · Transportation & Warehousing 42 workers · filed Dec 3, 2020 · 102d runway
- Milwaukee, WI · Layoff · Transportation & Warehousing 18 workers · filed Nov 18, 2020 · 68d runway
Median forward runway across 7 dated filings: 68 days (3 under 60d · 4 at/above 60d · 3 same-day or retroactive).
Where Southwest Airlines Falls Among Tracked Employers
7,009 employers with a WARN filing, bucketed by total workers affected
Bucket counts (employers by total workers affected, as of September 2026): 1-10: 955; 11-50: 1,411; 51-150: 3,067; 151-500: 1,205; 501-1.5k: 273; 1.5k-5k: 72; 5k-15k: 16; 15k+: 10. Southwest Airlines is in the 5k-15k bucket (#19 of 7,009 by workers affected).
Employer Profile
- Primary State
- CO
- Primary Industry
- Transportation & Warehousing
- First Notice
- Oct 1, 2020
- Latest Notice
- Dec 3, 2020
Not all layoffs appear in WARN data, see our methodology for the federal + state coverage thresholds. Latest filing: Dec 2020.
WARN Notice History
2020
SeaTac, WA · Transportation & Warehousing
Effective: Mar 15, 2021
42
workers
Filed Dec 3, 2020
Portland, OR · Transportation & Warehousing
Effective: Mar 15, 2021
85
workers
Filed Dec 3, 2020
Arlington, VA · Transportation & Warehousing
Effective: Mar 15, 2021
60
workers
Filed Dec 3, 2020
Milwaukee, WI · Transportation & Warehousing
Effective: Jan 25, 2021
18
workers
Filed Nov 18, 2020
CO · Transportation & Warehousing
Effective: Nov 18, 2020
4
workers
Filed Nov 18, 2020
CO · Transportation & Warehousing
Effective: Nov 6, 2020
1
workers
Filed Nov 6, 2020
Dallas, TX · Transportation & Warehousing
Effective: Oct 1, 2020
7,000
workers
Filed Oct 1, 2020
Questions about this Southwest Airlines record
What is the largest Southwest Airlines WARN filing on record? ▼
The largest row is the mass layoff filed for Dallas, TX on Oct 1, 2020, covering 7,000 workers in Transportation & Warehousing.
Where were Southwest Airlines's WARN notices filed? ▼
The filings name SeaTac, Portland, and Arlington, among 5 named cities; together they form 7 mass-layoff filings sourced from Washington ESD and Oregon WorkSource and Virginia Works and Wisconsin DWD and Colorado CDLE and the public WARN archive. States represented in this record: CO, OR, TX, VA, WA, WI.
Where is Southwest Airlines's WARN footprint concentrated by city? ▼
97.2% of named-city WARN workers for Southwest Airlines sit in Dallas (7,000 of 7,205).
Does Southwest Airlines's filing history show a recurring pattern? ▼
All 7 filings fall in 2020, so the record describes a concentrated episode rather than a multi-year cadence.
How much advance notice appears in Southwest Airlines's record? ▼
The measurable notice runway clears the federal 60-day baseline; use the dated filing history to see which location and event produced it. Of 7 filings on record, 3 without a published effective date are excluded from that figure.
See also: CO WARN filings · Transportation & Warehousing industry WARNs · WARN Act guide · largest WARN employers
Source: State WARN Act layoff registries Southwest Airlines notice history aggregated from state workforce agency filings · September 2026 A WARN filing is a required notice, not a judgment of the employer's management or finances. Coverage follows states with structured public registries; this public-record summary is not legal advice, financial advice, or employment advice.
Every figure on PlainLayoffs is rendered directly from public WARN Act filings and state workforce agency records, no number is typed in by an editor. This employer's notice history is rendered directly from state WARN Act filings. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 2026. A WARN filing is a legally required notice, not a judgment of a company's management or financial health; rankings here reflect filed notice volume only.