401(k) · DOL Form 5500 · 2024

United Airlines, Inc. 401(k) Plan

Data updated 2026-08-25

$10.3B
Total assets Mega-plan scale
57,326
Participants Very large workforce
100th
Percentile by assets National rank
$179,415
Avg per participant Above avg balance/head
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Official DOL plan name: United Airlines 401(k) Savings Plan · Sponsored by United Airlines, Inc. · Illinois · Transportation & Warehousing

$10.3B in assets, 57,326 participants

United Airlines, Inc.'s United Airlines 401(k) Savings Plan reported $10.3B in total assets and 57,326 participants in its 2024 DOL Form 5500 filing, ranking in the 100th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #3,284 in Transportation & Warehousing (3,299 peers)

Coverage in Illinois

United Airlines 401(k) Savings Plan covers 57,326 participants in Illinois, 74x the typical Illinois plan (state average ~779 per filing). Assets: $10.3B.

#3,284
in Transportation & Warehousing (3,299 peers)
+15.7%
assets growth YoY
103×
vs typical plan assets (national mean)

United Airlines 401(k) Savings Plan's outsized position by total assets

United Airlines 401(k) Savings Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$10,285,169,777 Highest reported value at or above every one of 123,620 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

United Airlines 401(k) Savings Plan's mega-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. United Airlines 401(k) Savings Plan is a mega filing (57,326 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • United Airlines 401(k) Savings Plan reported participants rose from 47,594 in the plan year 2023 filing to 57,326 in the plan year 2024 filing.
  • United Airlines 401(k) Savings Plan end-of-year assets rose from $8.9B in the plan year 2023 filing to $10.3B in the plan year 2024 filing.
  • United Airlines 401(k) Savings Plan reported net income fell from $1.5B in the plan year 2023 filing to $1.4B in the plan year 2024 filing.

See the national 2023→2024 release diff →

DOL schedule card

Filing strip 742099724 · United Airlines, Inc. PY 2024 · 401(k)

United Airlines 401(k) Savings Plan · $10.3B · 57,326 · 100th

  • 5500 $10.3B
  • 5500 57,326
  • 5500 100th
  • 5500 401(k)
  • 5500 near Hp Inc. 401(k) Plan
  • 5500 ind #3284

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Transportation & Warehousing retirement plans → · Plans in Illinois →

United Airlines 401(k) Savings Plan in the asset neighbourhood

United Airlines 401(k) Savings PlanUnited Airlines 401(k) Savin…$10.3BHp Inc. 401(k) Plan$10.3BThermo Fisher Scientific Inc. 401(k) Retirement PlanThermo Fisher Scientific Inc…$10.3BUbs 401(k) Plan Trust$10.2BThe PNC Financial Services Group, Inc. Incentive Savings PlanThe PNC Financial Services G…$10.2B
End-of-year total assets ($B) among United Airlines 401(k) Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Illinois filing particulars

Total Assets (Beginning of Year)$8.9B
Net Assets (End of Year)$10.3B
Net Income$1.4B
Employer EIN742099724
Plan Effective Date1984-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (United Airlines, Inc.)

Sponsor-wide plan assets over time

All United Airlines, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$32.6B 22.353597613920844% vs 2022
2024 filing year
$26B$28B$30B$32B$34B 202220232024 $26.7B $32.6B ▲ +22.3%
Year Plans Participants Total Assets
2022 6 110,304 $26.7B
2023 6 114,586 $31.8B
2024 4 102,481 $32.6B

Nearby 401(k) Plans in Illinois

Peer 401(k) plans, same state, same plan type, ranked by total assets.

United Airlines 401(k) Savings Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. 050000100000150000200000250000 510152025 Total assets ($B) Participants United Airlines 401(k) Savings Plan, Total assets ($B): 10.285169777 · Participants: 57326United Airlines 401(k) Savings PlanAccenture United States 401(k) Match and Savings Plan, Total assets ($B): 21.302643276 · Participants: 66965Accenture United States 401(k) Match and Savings PlanState Farm 401(k) Savings Plan, Total assets ($B): 19.010099056 · Participants: 63297State Farm 401(k) Savings PlanUnited Airlines Pilot Retirement Account Plan, Total assets ($B): 16.835964452 · Participants: 16659United Airlines Pilot Retirement Account PlanAbbott Laboratories Stock Retirement Plan, Total assets ($B): 15.755668 · Participants: 38229Abbott Laboratories Stock Retirement PlanWalgreens Retirement Savings Plan, Total assets ($B): 14.535873337 · Participants: 233635Walgreens Retirement Savings Plan
United Airlines 401(k) Savings Plan vs. nearby 401(k) plans in Illinois, assets vs. participants

Scale composition for United Airlines 401(k) Savings Plan

United Airlines 401(k) Savings Plan reports $10.3B in end-of-year assets across 57,326 participants (0.083% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.061% of 93,925,755 covered participants) - about $179,415 per participant (1.3x the national average assets-per-participant) . Net income for plan year 2024 was $1.4B.

This plan identity (EIN 742099724, plan #222) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $7.4B to $10.3B (+38.6%) while covered participants moved from 46,613 to 57,326 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 46,613 $7.4B Open filing
2023 47,594 $8.9B Open filing
2024 · index core 57,326 $10.3B This page

The same sponsor also keeps 4 other index-core plans on PlainRetire:

United Airlines 401(k) Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Illinois, the nearest 401(k) by assets is Hp Inc. 401(k) Plan in TX ($10.3B); by covered participants it is National Veterinary Associates, Inc. 401(k) Plan in CA (57,176 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($10.3B here).

Similar participant headcount

Nearest other-state filings by covered participants (57,326 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did United Airlines 401(k) Savings Plan assets move in 2024?
United Airlines 401(k) Savings Plan grew sharply - up 15.7% during 2024, from $8.9B to $10.3B. Reported net income was $1.4B.
How have United Airlines, Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), United Airlines, Inc.'s sponsor-wide assets grew 22.4%, from $26.7B to $32.6B.
Where does United Airlines 401(k) Savings Plan rank by assets among Form 5500 filers?
United Airlines 401(k) Savings Plan ranks in the 100th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to United Airlines 401(k) Savings Plan?
Among 401(k) plans in other states, the closest by assets is Hp Inc. 401(k) Plan in TX ($10.3B, 14,722 participants).
Which 401(k) plans cover a similar participant headcount to United Airlines 401(k) Savings Plan?
Among 401(k) plans in other states, the closest by covered participants is National Veterinary Associates, Inc. 401(k) Plan in CA (57,176 participants, $809M in assets).