Fort Worth, Texas · field elev 723 ft
Density Altitude at Perot Field/Fort Worth Alliance (KAFW)
Perot Field/Fort Worth Alliance sits at 723 ft, and even a typical July afternoon (97 °F) only lifts density altitude to about 3,285 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 46.7 | 94 ft | 57.4 | 806 ft |
| February | 50.6 | 355 ft | 61.6 | 1,080 ft |
| March | 58.4 | 871 ft | 69.2 | 1,570 ft |
| April | 65.8 | 1,352 ft | 76.5 | 2,033 ft |
| May | 74.2 | 1,888 ft | 84.1 | 2,506 ft |
| June | 82.7 | 2,419 ft | 92.7 | 3,032 ft |
| July | 86.7 | 2,666 ft | 96.9 | 3,285 ft |
| August | 86.5 | 2,654 ft | 96.9 | 3,285 ft |
| September | 78.4 | 2,152 ft | 89.2 | 2,819 ft |
| October | 67.7 | 1,474 ft | 78.9 | 2,183 ft |
| November | 56.6 | 753 ft | 67.4 | 1,455 ft |
| December | 48.2 | 194 ft | 58.5 | 878 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for KAFW
DENSITY ALTITUDE
Field elevation 723 ft — the air behaves like 3,291 ft.
- PRESSURE ALT
- 724 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
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Frequently asked questions
How high does density altitude get at KAFW in summer?
On a typical July afternoon — around 97 °F at the nearest NOAA normals station — density altitude at Perot Field/Fort Worth Alliance reaches roughly 3,285 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at KAFW on an average day?
It swings with the seasons: from roughly 94 ft at the coldest month's average temperature to about 2,666 ft at the warmest month's — all from a constant field elevation of 723 ft. The month-by-month table above carries the full year.
What is the field elevation of Perot Field/Fort Worth Alliance?
723 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KAFW (ICAO) / AFW (FAA), in Fort Worth, Texas.