Bismarck (BIS) to Dulles (IAD)
Flight time
≈ 3h 23m
Bearing
106° E
Bismarck (BIS) to Dulles (IAD) is 1,291 miles (2,078 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BIS–IAD
US DOT T-100 · filed dataIn April 2026, Allegiant Air was the only carrier flying nonstop BIS–IAD; the Airbus A320 was the most common aircraft at 100% of departures; flights ran 99% full.
Departures
2
April 2026
Seats
360
both directions
Passengers
356
both directions
Load factor
98.9%
passengers ÷ seats
Who flies BIS–IAD?
Allegiant Air was the only carrier to fly nonstop BIS–IAD in April 2026 (2 departures).
- G4
Allegiant Air
2 departures · 360 seats
Share of departures100.0%98.9%
Load
What plane flies BIS–IAD?
In April 2026, the Airbus A320 flew 100% of BIS–IAD departures.
- Airbus A320
2 departures · 98.9% load
100.0%
How has BIS–IAD traffic changed?
Nonstop BIS–IAD departures fell from 4 in September 2025 to 2 in April 2026.
Monthly nonstop BIS–IAD traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
September 2025
4 departures · 696 passengers
96.7%
Load
October 2025
0 departures · 0 passengers
—
Load
November 2025
0 departures · 0 passengers
—
Load
December 2025
0 departures · 0 passengers
—
Load
January 2026
0 departures · 0 passengers
—
Load
February 2026
0 departures · 0 passengers
—
Load
March 2026
0 departures · 0 passengers
—
Load
April 2026
2 departures · 356 passengers
98.9%
Load
By direction
The DOT files each direction separately — they rarely match.
BIS → IAD
98.9% full
1 departures · 178 passengers
IAD → BIS
98.9% full
1 departures · 178 passengers
Nonstop BIS–IAD traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Bismarck (BIS) from Dulles (IAD)?
BIS to IAD is 1,291 miles (2,078 km / 1,122 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BIS to IAD?
A nonstop covers the 1,291-mile great-circle distance in roughly 3h 23m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BIS–IAD?
In April 2026, the Airbus A320 flew the largest share of departures (100.0%).
What mileage do I earn flying BIS–IAD?
Distance-based programs credit off the 1,291-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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