Cape Town (CPT) to Dulles (IAD)

7,931mi
12,764 km6,892 nm

Flight time

≈ 16h 40m

Bearing

302° NW

Cape Town (CPT) to Dulles (IAD) is 7,931 miles (12,764 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: CPT → IADCPTIAD

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What actually flies CPTIAD

Filed traffic data

In May 2026, United Airlines was the only carrier flying nonstop CPT–IAD; the Boeing 787-9 was the most common aircraft at 100% of departures; flights ran 93% full.

Departures

26

May 2026

Seats

6,682

both directions

Passengers

6,224

both directions

Load factor

93.2%

RPM ÷ ASM

Who flies CPT–IAD?

United Airlines was the only carrier to fly nonstop CPT–IAD in May 2026 (26 departures).

  • UA

    United Airlines

    26 departures · 6,682 seats

    93.2%

    Load

What plane flies CPT–IAD?

In May 2026, the Boeing 787-9 flew 100% of CPT–IAD departures.

How has CPT–IAD traffic changed?

Nonstop CPT–IAD departures rose from 24 in June 2025 to 26 in May 2026.

Monthly nonstop CPTIAD traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • June 2025

    24 departures · 5,533 passengers

    89.7%

    Load

  • July 2025

    21 departures · 4,782 passengers

    88.6%

    Load

  • August 2025

    27 departures · 6,035 passengers

    87.0%

    Load

  • September 2025

    26 departures · 5,611 passengers

    84.0%

    Load

  • October 2025

    26 departures · 5,860 passengers

    87.7%

    Load

  • November 2025

    26 departures · 5,383 passengers

    80.6%

    Load

  • December 2025

    26 departures · 5,344 passengers

    80.0%

    Load

  • January 2026

    25 departures · 5,053 passengers

    78.6%

    Load

  • February 2026

    22 departures · 4,559 passengers

    80.6%

    Load

  • March 2026

    25 departures · 6,053 passengers

    94.2%

    Load

  • April 2026

    23 departures · 5,434 passengers

    91.9%

    Load

  • May 2026

    26 departures · 6,224 passengers

    93.2%

    Load

By direction

Each direction is filed separately — they rarely match.

CPTIAD

93.1% full

13 departures · 3,109 passengers

IADCPT

93.2% full

13 departures · 3,115 passengers

Nonstop CPT–IAD traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).

The airports

CPT

Cape Town

ZA

Cape Town International Airport

Coordinates

33.97°S, 18.60°E

Hemisphere

S · E

IAD

US

Washington Dulles International Airport

Coordinates

38.94°N, 77.46°W

Hemisphere

N · W

Frequently asked

How far is Cape Town (CPT) from Dulles (IAD)?

CPT to IAD is 7,931 miles (12,764 km / 6,892 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from CPT to IAD?

A nonstop covers the 7,931-mile great-circle distance in roughly 16h 40m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies CPT–IAD?

In May 2026, the Boeing 787-9 flew the largest share of departures (100.0%).

What mileage do I earn flying CPT–IAD?

Distance-based programs credit off the 7,931-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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