401(k) · DOL Form 5500 · 2023

United Airlines, Inc. 401(k) Plan

Data updated 2026-08-06

$8.9B
Total assets
47,594
Participants
100th
Percentile by assets
$186,761
Avg per participant
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Official DOL plan name: United Airlines 401(k) Savings Plan · Sponsored by United Airlines, Inc. · Illinois · Transportation & Warehousing

$8.9B in assets, 47,594 participants

United Airlines, Inc.'s United Airlines 401(k) Savings Plan reported $8.9B in total assets and 47,594 participants in its 2023 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.

  • 100th percentile by assets (of 126,618 plans)
  • #3,328 in Transportation & Warehousing (3,344 peers)

Coverage in Illinois

United Airlines 401(k) Savings Plan covers 47,594 participants in Illinois, 62x the typical Illinois plan (state average ~768 per filing). Assets: $8.9B.

$8.9B
total plan assets (2023 EOY)
47,594
covered participants
100th
percentile by assets (of 126,618 plans)
$186,761
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • United Airlines 401(k) Savings Plan reported net income rose from -$1.9B in the plan year 2022 filing to $1.5B in the plan year 2023 filing.
  • United Airlines 401(k) Savings Plan end-of-year assets rose from $7.4B in the plan year 2022 filing to $8.9B in the plan year 2023 filing.
  • United Airlines 401(k) Savings Plan reported participants rose from 46,613 in the plan year 2022 filing to 47,594 in the plan year 2023 filing.

See the national 2023→2024 release diff →

Participants vs Illinois filers

In Illinois, the average filing covers about 768 participants across 5,440 plans. United Airlines 401(k) Savings Plan reports 47,594 participants - 62x that state average ($8.9B EOY assets).

Illinois filing particulars

Total Assets (Beginning of Year)$7.4B
Net Assets (End of Year)$8.9B
Net Income$1.5B
Employer EIN742099724
Plan Effective Date1984-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (United Airlines, Inc.)

$26B$28B$30B$32B$34B 202220232024 $26.7B $32.6B ▲ +22.3%
Total plan assets by year, all United Airlines, Inc. plans on file
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

United Airlines 401(k) Savings Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. 050000100000150000200000250000 8101214161820 Total assets ($B) Participants United Airlines 401(…Accenture United Sta…State Farm 401(k) Sa…Abbott Laboratories …United Airlines Pilo…Walgreens Retirement…
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 $8.9B in end-of-year assets across 47,594 participants (0.076% of the $11.6T held by all Form 5500 filers in the national rollup , and 0.053% of 89,805,449 covered participants) - about $186,761 per participant (1.4x the national average assets-per-participant) . Net income for plan year 2023 was $1.5B.

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 This page
2024 · index core 57,326 $10.3B Open filing

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

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to United Airlines 401(k) Savings Plan by total assets, not by location.

Frequently Asked Questions

How did United Airlines 401(k) Savings Plan assets move in 2023?
United Airlines 401(k) Savings Plan grew sharply - up 19.8% during 2023, from $7.4B to $8.9B. Reported net income was $1.5B.
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 126,618 plans that reported assets for plan year 2023 (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 Siemens Savings Plan in NJ ($8.9B, 27,753 participants).

Filing takeaways

Ways to act on United Airlines 401(k) Savings Plan's numbers.