Bozeman (BZN) to Dulles (IAD)
Flight time
≈ 4h 20m
Bearing
93° E
Bozeman (BZN) to Dulles (IAD) is 1,770 miles (2,848 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BZN–IAD
Filed traffic dataIn July 2026, United Airlines operated the most departures, one of 2 carriers flying nonstop BZN–IAD; the Boeing 737 MAX 8 was the most common aircraft at 88% of departures; flights ran 91% full.
Departures
17
July 2026
Seats
2,862
both directions
Passengers
2,616
both directions
Load factor
91.4%
RPM ÷ ASM
Who flies BZN–IAD?
United Airlines operated the most nonstop BZN–IAD departures in July 2026 (15), one of 2 carriers on the route.
- UA
15 departures · 2,490 seats
Share of departures88.2%95.8%
Load
- SY
2 departures · 372 seats
Share of departures11.8%62.1%
Load
What plane flies BZN–IAD?
In July 2026, the Boeing 737 MAX 8 flew 88% of BZN–IAD departures — more than any other aircraft type.
- Boeing 737 MAX 8
15 departures · 95.8% load
88.2% - Boeing 737-800
2 departures · 62.1% load
11.8%
How has BZN–IAD traffic changed?
Nonstop BZN–IAD departures fell from 20 in August 2025 to 17 in July 2026.
Monthly nonstop BZN–IAD traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
20 departures · 2,295 passengers
90.2%
Load
September 2025
12 departures · 1,312 passengers
86.8%
Load
October 2025
0 departures · 0 passengers
—
Load
November 2025
0 departures · 0 passengers
—
Load
December 2025
4 departures · 599 passengers
90.2%
Load
January 2026
10 departures · 1,100 passengers
66.3%
Load
February 2026
8 departures · 1,049 passengers
79.0%
Load
March 2026
8 departures · 1,180 passengers
88.9%
Load
April 2026
0 departures · 0 passengers
—
Load
May 2026
8 departures · 1,161 passengers
87.4%
Load
June 2026
16 departures · 2,514 passengers
94.7%
Load
July 2026
17 departures · 2,616 passengers
91.4%
Load
By direction
Each direction is filed separately — they rarely match.
IAD → BZN
92.0% full
9 departures · 1,393 passengers
BZN → IAD
90.7% full
8 departures · 1,223 passengers
Nonstop BZN–IAD traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Bozeman (BZN) from Dulles (IAD)?
BZN to IAD is 1,770 miles (2,848 km / 1,538 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BZN to IAD?
A nonstop covers the 1,770-mile great-circle distance in roughly 4h 20m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BZN–IAD?
In July 2026, the Boeing 737 MAX 8 flew the largest share of departures (88.2%), followed by the Boeing 737-800 (11.8%).
What mileage do I earn flying BZN–IAD?
Distance-based programs credit off the 1,770-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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