Employer · WARN Act history · Transportation & Warehousing
United Airlines
42,706 workers across 9 WARN notices, primarily in WA - recorded in the current PlainLayoffs dataset.
- 42,706
- Workers cut
- 9
- WARN notices
- 6
- States
- 4,745
- Avg / notice
United Airlines has 9 recorded WARN filings affecting 42,706 workers
According to WARN Act filings submitted to state workforce agencies, United Airlines has 9 recorded filings covering 42,706 workers across 6 states, primarily WA, the 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.
United Airlines drives the bulk of Transportation & Warehousing WARN layoffs — 27% of the 158,362 workers tracked across 311 Transportation & Warehousing employers, the #1 largest in the sector.
How 42,706 workers split by filing year
Calendar-year totals from WARN notice_date fields in this dataset, the same figures summed in the notice history below.
United 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.
United Airlines WARN workers by year and state
Sum of workers_affected on each filing row, crossed by calendar year and filing state, for the top 6 states by total workers affected.
| Year | IL | VA | CO | WA | TX | IN | Total |
|---|---|---|---|---|---|---|---|
| 2020 | 36,000 | 3,152 | 2,820 | 259 | – | 70 | 42,301 |
| 2019 | – | – | – | – | 100 | – | 100 |
| 2015 | – | – | – | 41 | – | – | 41 |
| 2014 | – | – | – | 264 | – | – | 264 |
United 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.
90.3% of named-city WARN workers for United Airlines sit in Chicago (36,000 of 39,886).
Lead city Chicago · 90.3% · 6 named cities · top-3 share 99.3%
DOL WARN employer filing desk
Employer UNITED-AIRLI · United Airlines 42,706 workers · 9 filings
NOTC-MID · WORK-#1 · PHOTO-UNK · RUNWAY-OVER · STAT-NATIONAL · BOOK-MULTI · TYPE-MIX
- NOTC-MID 9 filings
- WORK-#1 #1/7,009
- PHOTO-UNK No peer
- RUNWAY-OVER 63d
- STAT-NATIONAL 6 states
- BOOK-MULTI 6 agencies
- TYPE-MIX 2C/7L
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 United 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.
- Chicago, IL · Layoff · Transportation & Warehousing 36,000 workers · filed Oct 1, 2020 · 0d runway
- Dulles, VA · Layoff · Transportation & Warehousing 3,036 workers · filed Jul 8, 2020 · 85d runway
- CO · Layoff · Transportation & Warehousing 2,820 workers · filed Jul 8, 2020 · 0d runway
- Seattle, WA · Closure · Transportation & Warehousing 264 workers · filed Dec 1, 2014 · 60d runway
- Seattle, WA · Layoff · Transportation & Warehousing 259 workers · filed Jul 9, 2020 · 84d runway
Median forward runway across 9 dated filings: 63 days (3 under 60d · 6 at/above 60d · 2 same-day or retroactive).
What changed - United Airlines WARN filings by year
Computed from filed notice dates in this dataset (calendar years), not a vendor release label. Latest compared pair: .
- 2019 → 2020: WARN workers affected for United Airlines rose from 100 in 2019 to 42,301 in 2020; notice count rose from 1 to 6.
- 2014 → 2015: WARN workers affected for United Airlines fell from 264 in 2014 to 41 in 2015; notice count held from 1 to 1.
- 2015 → 2019: WARN workers affected for United Airlines rose from 41 in 2015 to 100 in 2019; notice count held from 1 to 1.
Site-wide YoY movers: /changes (RSS). Dataset corrections: /changelog. Year hubs: /year/2020.
Where United 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. United Airlines is in the 15k+ bucket (#1 of 7,009 by workers affected).
Employer Profile
- Primary State
- WA
- Primary Industry
- Transportation & Warehousing
- First Notice
- Dec 1, 2014
- Latest Notice
- Oct 1, 2020
Not all layoffs appear in WARN data, see our methodology for the federal + state coverage thresholds. Latest filing: Oct 2020.
WARN Notice History
2020
Chicago, IL · Transportation & Warehousing
Effective: Oct 1, 2020
36,000
workers
Filed Oct 1, 2020
Seattle, WA · Transportation & Warehousing
Effective: Oct 1, 2020
259
workers
Filed Jul 9, 2020
Indianapolis, IN · Transportation & Warehousing
Effective: Oct 1, 2020
70
workers
Filed Jul 8, 2020
Dulles, VA · Transportation & Warehousing
Effective: Oct 1, 2020
3,036
workers
Filed Jul 8, 2020
Arlington, VA · Transportation & Warehousing
Effective: Oct 1, 2020
116
workers
Filed Jul 8, 2020
CO · Transportation & Warehousing
Effective: Jul 8, 2020
2,820
workers
Filed Jul 8, 2020
2019
Houston, TX · Transportation & Warehousing
Effective: Jul 15, 2019
100
workers
Filed May 13, 2019
2015
Seattle, WA · Transportation & Warehousing
Effective: Mar 7, 2015
41
workers
Filed Jan 7, 2015
2014
Seattle, WA · Transportation & Warehousing
Effective: Jan 30, 2015
264
workers
Filed Dec 1, 2014
Questions about this United Airlines record
What is the largest United Airlines WARN filing on record? ▼
The largest row is the mass layoff filed for Chicago, IL on Oct 1, 2020, covering 36,000 workers in Transportation & Warehousing.
Where were United Airlines's WARN notices filed? ▼
The filings name Chicago, Seattle, and Indianapolis, among 6 named cities; together they form 2 facility closures and 7 mass-layoff filings sourced from the public WARN archive and Washington ESD and Indiana DWD and Virginia Works and Colorado CDLE and Texas Workforce Commission. States represented in this record: CO, IL, IN, TX, VA, WA.
Where is United Airlines's WARN footprint concentrated by city? ▼
90.3% of named-city WARN workers for United Airlines sit in Chicago (36,000 of 39,886).
Does United Airlines's filing history show a recurring pattern? ▼
The filing history spans 2014 through 2020 across 4 calendar years; that recurrence is visible in the dated rows rather than inferred from news coverage.
How much advance notice appears in United 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 9 filings on record, 2 without a published effective date are excluded from that figure.
See also: WA WARN filings · Transportation & Warehousing industry WARNs · WARN Act guide · largest WARN employers
Source: State WARN Act layoff registries United 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.