20 public-use fields
Connecticut Airport Density Altitude
Connecticut has 20 public-use airports, and none of them typically exceed 5,000 ft of density altitude even on a summer afternoon — heat still trims performance, but the climate keeps typical density altitudes low.
Every field, worst typical afternoon first
| Airport | City | Field elev | Worst typical afternoon DA | Month |
|---|---|---|---|---|
| KOXC — Waterbury-Oxford | Oxford | 730 ft | 2,564 ft | July |
| N41 — Mount Tobe | Waterbury | 850 ft | 2,512 ft | July |
| C44 — Toutant | Putnam | 770 ft | 2,359 ft | July |
| KSNC — Chester | Chester | 416 ft | 2,168 ft | July |
| KDXR — Danbury Municipal | Danbury | 457 ft | 2,076 ft | July |
| 11N — Candlelight Farms | New Milford | 675 ft | 2,062 ft | July |
| 9B8 — Salmon River Airfield | Marlborough | 540 ft | 2,059 ft | July |
| 7B9 — Ellington | Ellington | 253 ft | 2,001 ft | July |
| 4B9 — Simsbury | Simsbury | 195 ft | 1,930 ft | July |
| KBDL — Bradley International | Windsor Locks | 173 ft | 1,903 ft | July |
| 4B8 — Robertson Field | Plainville | 202 ft | 1,864 ft | July |
| KIJD — Windham | Willimantic | 246 ft | 1,843 ft | July |
| 7B6 — Skylark Airpark | Warehouse Point | 120 ft | 1,838 ft | July |
| KLZD — Danielson | Danielson | 238 ft | 1,777 ft | July |
| KMMK — Meriden Markham Municipal | Meriden | 103 ft | 1,743 ft | July |
| KHFD — Hartford-Brainard | Hartford | 18 ft | 1,676 ft | July |
| 42B — Goodspeed | East Haddam | 9 ft | 1,634 ft | July |
| KBDR — Bridgeport/Sikorsky | Bridgeport | 9 ft | 1,591 ft | July |
| KHVN — Tweed/New Haven | New Haven | 13 ft | 1,515 ft | July |
| KGON — Groton-New London | Groton (New London) | 9 ft | 1,366 ft | July |
▲ above 5,000 ft · ⚠ above 8,000 ft on a typical afternoon of the airport's hottest month. Open any field for its monthly table and a pre-filled calculator.
Frequently asked questions
Which Connecticut airport has the highest density altitude in summer?
Waterbury-Oxford (KOXC) tops the list: from 730 ft of field elevation, a typical summer afternoon reaches about 2,564 ft of density altitude. Each airport's page carries its full monthly table.
What is the highest airport in Connecticut?
Mount Tobe (N41) at 850 ft MSL, per the FAA airport record. Elevation is the biggest single term in density altitude — the summer heat gets added on top of it.