Windsor Locks, Connecticut · field elev 173 ft
Density Altitude at Bradley International (KBDL)
Bradley International sits at 173 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 1,903 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 | 27.1 | −1,949 ft | 35.3 | −1,372 ft |
| February | 29.6 | −1,772 ft | 38.5 | −1,150 ft |
| March | 37.8 | −1,199 ft | 47.3 | −548 ft |
| April | 49.5 | −400 ft | 60.5 | 330 ft |
| May | 60.0 | 297 ft | 71.7 | 1,055 ft |
| June | 68.9 | 875 ft | 79.9 | 1,573 ft |
| July | 74.3 | 1,220 ft | 85.2 | 1,903 ft |
| August | 72.5 | 1,106 ft | 83.3 | 1,785 ft |
| September | 64.8 | 611 ft | 75.7 | 1,309 ft |
| October | 53.0 | −166 ft | 63.5 | 526 ft |
| November | 42.3 | −889 ft | 51.5 | −266 ft |
| December | 32.6 | −1,561 ft | 40.6 | −1,005 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 KBDL
DENSITY ALTITUDE
Field elevation 173 ft — the air behaves like 1,890 ft.
- PRESSURE ALT
- 174 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
Nearby Connecticut fields
- 4B9 — Simsbury
Simsbury · elev 195 ft
- 7B6 — Skylark Airpark
Warehouse Point · elev 120 ft
- 7B9 — Ellington
Ellington · elev 253 ft
- KHFD — Hartford-Brainard
Hartford · elev 18 ft
- 4B8 — Robertson Field
Plainville · elev 202 ft
- 9B8 — Salmon River Airfield
Marlborough · elev 540 ft
- N41 — Mount Tobe
Waterbury · elev 850 ft
- KIJD — Windham
Willimantic · elev 246 ft
Frequently asked questions
How high does density altitude get at KBDL in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Bradley International reaches roughly 1,903 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 KBDL on an average day?
It swings with the seasons: from roughly −1,949 ft at the coldest month's average temperature to about 1,220 ft at the warmest month's — all from a constant field elevation of 173 ft. The month-by-month table above carries the full year.
What is the field elevation of Bradley International?
173 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KBDL (ICAO) / BDL (FAA), in Windsor Locks, Connecticut.