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Block Island (BID) to Dulles (IAD)

347mi
558 km301 nm

Flight time

≈ 1h 30m

Bearing

246° SW

Block Island (BID) to Dulles (IAD) is 347 miles (558 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: BID → IADBIDIAD

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What actually flies BIDIAD

US DOT T-100 · filed data

In August 2025, Tradewind Aviation was the only carrier flying nonstop BID–IAD; the Pilatus PC-12 was the most common aircraft at 100% of departures; flights ran 25% full.

Departures

2

August 2025

Seats

16

both directions

Passengers

4

both directions

Load factor

25.0%

passengers ÷ seats

Who flies BID–IAD?

Tradewind Aviation was the only carrier to fly nonstop BID–IAD in August 2025 (2 departures).

  • TJ

    Tradewind Aviation

    2 departures · 16 seats

    25.0%

    Load

What plane flies BID–IAD?

In August 2025, the Pilatus PC-12 flew 100% of BID–IAD departures.

  • Pilatus PC-12

    2 departures · 25.0% load

    100.0%

How has BID–IAD traffic changed?

Nonstop BID–IAD departures rose from 1 in June 2025 to 2 in August 2025.

Monthly nonstop BIDIAD traffic, trailing 12 months through August 2025. Bars scale to the busiest month; months with no filed service show as zero.

  • June 2025

    1 departures · 1 passengers

    12.5%

    Load

  • July 2025

    1 departures · 1 passengers

    12.5%

    Load

  • August 2025

    2 departures · 4 passengers

    25.0%

    Load

By direction

The DOT files each direction separately — they rarely match.

BIDIAD

25.0% full

1 departures · 2 passengers

IADBID

25.0% full

1 departures · 2 passengers

Nonstop BID–IAD traffic has been filed with the US DOT since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through August 2025; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.

The airports

BID

US

Block Island State Airport

Coordinates

41.17°N, 71.58°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 Block Island (BID) from Dulles (IAD)?

BID to IAD is 347 miles (558 km / 301 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from BID to IAD?

A nonstop covers the 347-mile great-circle distance in roughly 1h 30m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies BID–IAD?

In August 2025, the Pilatus PC-12 flew the largest share of departures (100.0%).

What mileage do I earn flying BID–IAD?

Distance-based programs credit off the 347-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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