3 public-use fields
District of Columbia Airport Density Altitude
District of Columbia has 3 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 |
|---|---|---|---|---|
| KIAD — Washington Dulles International | Washington | 312 ft | 2,220 ft | July |
| KHEF — Washington Manassas/Harry P Davis Field | Washington | 192 ft | 2,068 ft | July |
| KDCA — Ronald Reagan Washington Ntl | Washington | 14 ft | 1,980 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 District of Columbia airport has the highest density altitude in summer?
Washington Dulles International (KIAD) tops the list: from 312 ft of field elevation, a typical summer afternoon reaches about 2,220 ft of density altitude. Each airport's page carries its full monthly table.
What is the highest airport in District of Columbia?
Washington Dulles International (KIAD) at 312 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.