Baltimore (BWI) to Dulles (IAD)
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.
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What actually flies BWI–IAD
Filed traffic dataIn July 2026, Air France operated the most departures, one of 2 carriers flying nonstop BWI–IAD; the Boeing 777-300ER was the most common aircraft at 50% of departures; flights ran 81% full.
Departures
2
July 2026
Seats
342
both directions
Passengers
278
both directions
Load factor
81.3%
RPM ÷ ASM
Who flies BWI–IAD?
Air France operated the most nonstop BWI–IAD departures in July 2026 (1), one of 2 carriers on the route.
- AF
Air France
1 departures · 312 seats
Share of departures50.0%89.1%
Load
- LF
Contour Airlines
1 departures · 30 seats
Share of departures50.0%0.0%
Load
What plane flies BWI–IAD?
In July 2026, the Boeing 777-300ER flew 50% of BWI–IAD departures — more than any other aircraft type.
- Boeing 777-300ER
1 departures · 89.1% load
50.0% - Bombardier Challenger 604
1 departures · 0.0% load
50.0%
How has BWI–IAD traffic changed?
Nonstop BWI–IAD departures fell from 4 in August 2025 to 2 in July 2026.
Monthly nonstop BWI–IAD traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
June 2026
2 departures · 0 passengers
0.0%
Load
July 2026
2 departures · 278 passengers
81.3%
Load
By direction
Each direction is filed separately — they rarely match.
BWI → IAD
89.1% full
1 departures · 278 passengers
IAD → BWI
0.0% full
1 departures · 0 passengers
Nonstop BWI–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
Baltimore
US
Baltimore/Washington International Thurgood Marshall Airport
Coordinates
39.18°N, 76.67°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 July 2026, the Boeing 777-300ER flew the largest share of departures (50.0%), followed by the Bombardier Challenger 604 (50.0%).
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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