Scheduled Air Transportation · California

Delta Air Lines - ONT

Ontario, CA · ~27 workers · 7 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.9
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

Delta Air Lines - ONT runs at 43% of its industry's injury rate - far safer than the typical Scheduled Air Transportation workplace, earning a grade A.

Delta Air Lines - ONT: 1.9 TCR = 43% of Scheduled Air Transportation BLS 4.5 · 7y Form 300A (see methodology below)

Delta Air Lines - ONT safety composite

Delta Air Lines - ONT scores strongest on total case rate (tcr) (safer than 85% of same-industry peers) and weakest on dart rate (safer than 36%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

C

59/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.95 per 100 workers

Safer than 85% of industry peers

DART rate
D 6.46 per 100 workers

Safer than 36% of industry peers

Fatalities
D 0

Safer than 50% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

Rising injury rate

Delta Air Lines - ONT: 0.0 → 6.5 TCR

Peak year 2024 @ 6.5 TCR · DART/TCR 3.31× in 2024

Delta Air Lines - ONT's TCR rose 6.5 from 0.0 in 2017 to 6.5 in 2024. In 2024, DART was 3.31× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 481111 · Ontario, CA AT/BELOW-IND · SMALL

Grade A · TCR 1.9 · 43% of ind

  • DART 6.5 DART
  • RANK #16/177
  • PHOTO Endeavor Air, Inc. -…
  • BOOK 7y book
  • INJ 4 inj
  • SIZE ~27 FTE

Nearest TCR peer: Endeavor Air, Inc. - ATL Tech Ops (0.0 TCR gap)

Read with this employer → · Industry book → · California employers → · Look up another →

Delta Air Lines - ONT in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Delta Air Lines - ONT averages 1.9 TCR (43% of the Scheduled Air Transportation BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Delta Air Lines - ONT TCR series: 2017=0 · 2018=0 · 2019=0 · 2021=4.1 · 2022=0 · 2023=3 · 2024=6.5 · BLS 4.5

Where Delta Air Lines - ONT falls in its industry

1,568 Scheduled Air Transportation establishments

Safer than 85% of graded establishments in this industry, whose median TCR is 6.1.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #16 safest of 177 Scheduled Air Transportation employers in California.

Delta Air Lines - ONT (27 employees, TCR 1.9) among 29 same-industry peers, split at the industry median of 102 employees and a TCR of 6.1 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 01,0002,0003,000 0102030 Average employees Total Case Rate Delta Air Lines - ONT
Delta Air Lines - ONT (27 employees, TCR 1.9) among 29 same-industry peers, split at the industry median of 102 employees and a TCR of 6.1

Delta Air Lines - ONT has fewer employees than the Scheduled Air Transportation median and a lower injury rate than the industry's median TCR of 6.1. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2024 6.5 6.5 2 0 0
2023 3.0 3.0 1 0 0
2022 0.0 0.0 0 0 0
2021 4.1 0.0 1 0 0
2019 0.0 0.0 0 0 0
2018 0.0 0.0 0 0 0
2017 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

481111 · CA · Ontario

1,568 Scheduled Air Transportation employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 599 employers in Ontario, CA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Endeavor Air, Inc. - ATL Tech Ops 1.9 TCR
NAICS-TCR 76210002--HOU UNITED/CONT GUARDS 2.0 TCR
NAICS-TCR 1004-16 Trans States STL Maint Hangar 1.9 TCR
NAICS-TCR Delta Air Lines - OGG 2.0 TCR
STATE-SIZE HQ 27 FTE
STATE-SIZE Medeiros Farms Vineyards 27 FTE
STATE-SIZE SAND RANCH 27 FTE
STATE-SIZE San Bernabe Vineyards 27 FTE
CITY-NEAR Prime Healthcare Services Inc. Location: St. Mary's, Passaic LLC 46-3499370 (HP29) 10,997 FTE
CITY-NEAR CAONA - ONTARIO HUB 4,372 FTE
CITY-NEAR ONTARIO HUB (CAONA) 3,354 FTE
CITY-NEAR Atlantic Solutions Group Inc, Inc. DBA Empire Workforce Solutions 3,240 FTE
NAT-TCR Medical Center Company 1.9 TCR
NAT-TCR Madison Turf Farms 1.9 TCR
NAT-TCR Prier Construction, Inc. 1.9 TCR
NAT-TCR ErgonArmor - Memphis 1.9 TCR
NAT-SIZE Delta Air Lines - ABQ 27 FTE
NAT-SIZE Delta Air Lines - DAY 27 FTE
NAT-SIZE Delta Air Lines - DAB 27 FTE
NAT-SIZE Nelson Water Gardens & Nursery, Inc 27 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2024, 2023, 2022, 2021, 2019, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.