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
US DOT T-100 · filed dataIn April 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 47% full.
Departures
16
April 2026
Seats
2,192
both directions
Passengers
1,035
both directions
Load factor
47.2%
passengers ÷ seats
Who flies IAD–TRI?
Breeze Airways was the only carrier to fly nonstop IAD–TRI in April 2026 (16 departures).
- MX
Breeze Airways
16 departures · 2,192 seats
Share of departures100.0%47.2%
Load
What plane flies IAD–TRI?
In April 2026, the Airbus A220-300 flew 100% of IAD–TRI departures.
- Airbus A220-300
16 departures · 47.2% load
100.0%
How has IAD–TRI traffic changed?
Nonstop IAD–TRI departures rose from 1 in July 2025 to 16 in April 2026.
Monthly nonstop IAD–TRI traffic, trailing 12 months through April 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
By direction
The DOT files each direction separately — they rarely match.
IAD → TRI
40.1% full
8 departures · 439 passengers
TRI → IAD
54.4% full
8 departures · 596 passengers
Nonstop IAD–TRI 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 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 April 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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