Dulles (IAD) to Blountville (TRI)
Flight time
≈ 1h 26m
Bearing
239° SW
Dulles (IAD) to Blountville (TRI) is 320 miles (515 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAD–TRI
Filed traffic dataIn June 2026, Breeze Airways was the only carrier flying nonstop IAD–TRI; the Airbus A220-300 was the most common aircraft at 100% of departures; flights ran 57% full.
Departures
18
June 2026
Seats
2,466
both directions
Passengers
1,398
both directions
Load factor
56.7%
RPM ÷ ASM
Who flies IAD–TRI?
Breeze Airways was the only carrier to fly nonstop IAD–TRI in June 2026 (18 departures).
- MX
18 departures · 2,466 seats
Share of departures100.0%56.7%
Load
What plane flies IAD–TRI?
In June 2026, the Airbus A220-300 flew 100% of IAD–TRI departures.
- Airbus A220-300
18 departures · 56.7% load
100.0%
How has IAD–TRI traffic changed?
Nonstop IAD–TRI departures rose from 1 in July 2025 to 18 in June 2026.
Monthly nonstop IAD–TRI traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
1 departures · 136 passengers
75.6%
Load
August 2025
0 departures · 0 passengers
—
Load
September 2025
0 departures · 0 passengers
—
Load
October 2025
0 departures · 0 passengers
—
Load
November 2025
0 departures · 0 passengers
—
Load
December 2025
10 departures · 697 passengers
50.9%
Load
January 2026
18 departures · 907 passengers
36.8%
Load
February 2026
16 departures · 866 passengers
39.5%
Load
March 2026
18 departures · 1,160 passengers
47.0%
Load
April 2026
16 departures · 1,035 passengers
47.2%
Load
May 2026
18 departures · 1,458 passengers
59.1%
Load
June 2026
18 departures · 1,398 passengers
56.7%
Load
By direction
Each direction is filed separately — they rarely match.
IAD → TRI
63.0% full
9 departures · 777 passengers
TRI → IAD
50.4% full
9 departures · 621 passengers
Nonstop IAD–TRI traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Dulles (IAD) from Blountville (TRI)?
IAD to TRI is 320 miles (515 km / 278 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to TRI?
A nonstop covers the 320-mile great-circle distance in roughly 1h 26m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–TRI?
In June 2026, the Airbus A220-300 flew the largest share of departures (100.0%).
What mileage do I earn flying IAD–TRI?
Distance-based programs credit off the 320-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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