Baltimore (BWI) to Dulles (IAD)

45mi
73 km39 nm

Flight time

≈ 0h 53m

Bearing

250° W

Baltimore (BWI) to Dulles (IAD) is 45 miles (73 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: BWI → IADBWIIAD

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What actually flies BWIIAD

Filed traffic data

In May 2026, Air France operated the most departures, one of 3 carriers flying nonstop BWI–IAD; the Boeing 757-200 was the most common aircraft at 40% of departures; flights ran 37% full.

Departures

5

May 2026

Seats

939

both directions

Passengers

345

both directions

Load factor

36.7%

RPM ÷ ASM

Who flies BWI–IAD?

Air France operated the most nonstop BWI–IAD departures in May 2026 (2), one of 3 carriers on the route.

  • AF

    Air France

    2 departures · 620 seats

    52.3%

    Load

  • DL

    Delta Air Lines

    2 departures · 144 seats

    0.0%

    Load

  • WN

    Southwest Airlines

    1 departures · 175 seats

    12.0%

    Load

What plane flies BWI–IAD?

In May 2026, the Boeing 757-200 flew 40% of BWI–IAD departures — more than any other aircraft type.

How has BWI–IAD traffic changed?

Nonstop BWI–IAD departures rose from 4 in June 2025 to 5 in May 2026.

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

  • June 2025

    4 departures · 346 passengers

    46.8%

    Load

  • July 2025

    9 departures · 1,207 passengers

    81.7%

    Load

  • August 2025

    4 departures · 96 passengers

    35.2%

    Load

  • September 2025

    4 departures · 269 passengers

    65.0%

    Load

  • October 2025

    0 departures · 0 passengers

    Load

  • November 2025

    1 departures · 0 passengers

    0.0%

    Load

  • December 2025

    0 departures · 0 passengers

    Load

  • January 2026

    0 departures · 0 passengers

    Load

  • February 2026

    12 departures · 947 passengers

    51.7%

    Load

  • March 2026

    7 departures · 669 passengers

    41.7%

    Load

  • April 2026

    2 departures · 0 passengers

    0.0%

    Load

  • May 2026

    5 departures · 345 passengers

    36.7%

    Load

By direction

Each direction is filed separately — they rarely match.

BWIIAD

46.8% full

3 departures · 324 passengers

IADBWI

8.5% full

2 departures · 21 passengers

Nonstop BWI–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

BWI

US

Baltimore/Washington International Thurgood Marshall Airport

Coordinates

39.18°N, 76.67°W

Hemisphere

N · W

IAD

US

Washington Dulles International Airport

Coordinates

38.94°N, 77.46°W

Hemisphere

N · W

Frequently asked

How far is Baltimore (BWI) from Dulles (IAD)?

BWI to IAD is 45 miles (73 km / 39 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from BWI to IAD?

A nonstop covers the 45-mile great-circle distance in roughly 0h 53m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies BWI–IAD?

In May 2026, the Boeing 757-200 flew the largest share of departures (40.0%), followed by the Airbus A350-900 (20.0%).

What mileage do I earn flying BWI–IAD?

Distance-based programs credit off the 45-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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