Delta Air Lines (DAL) Tax Rate (2010 - 2026)
Delta Air Lines' Tax Rate was 29.61% in Q3 2026, up 9.35 percentage points from 20.26% a year earlier and up 9.45 percentage points from the prior quarter.
Delta Air Lines (DAL) Tax Rate (2010 - 2026) Analysis & Trends
On a trailing twelve-month basis, Delta Air Lines' Tax Rate was 24.92% through Sep 30, 2026, up 3.76 percentage points year-over-year; for FY2025, it came in at 19.08%, down 6.71 percentage points from FY2024.
- Tax Rate shows a four-year change of -10.57 percentage points (FY2021 to FY2025).
- In earlier years, Tax Rate was 25.78% in FY2024 (+7.97 pp), 17.81% in FY2023 (-13.33 pp), 31.14% in FY2022 (+1.49 pp) and 29.65% in FY2021.
- The Q3 2026 figure marks the highest quarterly Tax Rate since Q4 2024.
- Compared with a year earlier, Tax Rate was higher in four of the last seven quarters, with an average year-over-year change of -4.41 percentage points.
- The best year-over-year quarter for Tax Rate over five years was Q4 2024 (a gain of 19.41 percentage points); the worst was Q1 2025 (a drop of 44.67 percentage points).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Union Pacific | 170.80 Bn | 165.33 Bn | - | 22.00% |
| 2 | Csx | 89.17 Bn | 85.38 Bn | - | 24.09% |
| 3 | United Parcel Service | 83.81 Bn | 60.70 Bn | - | 20.63% |
| 4 | Canadian Pacific Kansas City | 77.31 Bn | 76.33 Bn | - | 24.65% |
| 5 | Norfolk Southern | 73.23 Bn | 67.87 Bn | - | 23.46% |
| 6 | Fedex | 70.82 Bn | 36.77 Bn | - | 24.21% |
| 7 | Delta Air Lines | 50.27 Bn | 32.46 Bn | - | 29.61% |
| 8 | Old Dominion Freight Line | 39.09 Bn | 38.36 Bn | - | 25.00% |
| 9 | United Airlines Holdings | 31.83 Bn | -24.55 Bn | - | 21.54% |
| 10 | Ryanair Holdings | 28.53 Bn | 12.18 Bn | - | - |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 29.61% |
| Jun 30, 2026 | 20.16% |
| Dec 31, 2025 | 19.43% |
| Sep 30, 2025 | 20.26% |
| Jun 30, 2025 | 17.25% |
| Mar 31, 2025 | 25.00% |
| Dec 31, 2024 | 29.87% |
| Sep 30, 2024 | 18.51% |
| Jun 30, 2024 | 26.40% |
| Mar 31, 2024 | 69.67% |
| Dec 31, 2023 | 10.46% |
| Sep 30, 2023 | 27.15% |
| Jun 30, 2023 | 21.15% |
| Dec 31, 2022 | 25.98% |
| Sep 30, 2022 | 27.75% |
| Jun 30, 2022 | 28.85% |
| Sep 30, 2021 | 20.89% |
| Jun 30, 2021 | 15.98% |
| Dec 31, 2019 | 21.46% |
| Sep 30, 2019 | 23.22% |
Delta Air Lines Tax Rate API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=tax-rate&ticker=DAL&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "DAL", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=DAL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();