Dulles (IAD) to Johnstown (JST)
Flight time
≈ 1h 02m
Bearing
323° NW
Dulles (IAD) to Johnstown (JST) is 120 miles (193 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAD–JST
Filed traffic dataIn July 2026, SkyWest Airlines was the only carrier flying nonstop IAD–JST; the Bombardier CRJ-200 was the most common aircraft at 100% of departures; flights ran 65% full.
Departures
46
July 2026
Seats
2,300
both directions
Passengers
1,485
both directions
Load factor
64.6%
RPM ÷ ASM
Who flies IAD–JST?
SkyWest Airlines was the only carrier to fly nonstop IAD–JST in July 2026 (46 departures).
- OO
46 departures · 2,300 seats
Share of departures100.0%64.6%
Load
What plane flies IAD–JST?
In July 2026, the Bombardier CRJ-200 flew 100% of IAD–JST departures.
- Bombardier CRJ-200
46 departures · 64.6% load
100.0%
How has IAD–JST traffic changed?
Nonstop IAD–JST departures fell from 62 in August 2025 to 46 in July 2026.
Monthly nonstop IAD–JST traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
62 departures · 1,841 passengers
59.4%
Load
September 2025
61 departures · 1,721 passengers
56.4%
Load
October 2025
62 departures · 1,916 passengers
61.8%
Load
November 2025
60 departures · 1,737 passengers
57.9%
Load
December 2025
55 departures · 1,539 passengers
56.0%
Load
January 2026
55 departures · 1,267 passengers
46.1%
Load
February 2026
55 departures · 1,435 passengers
52.2%
Load
March 2026
54 departures · 1,688 passengers
62.5%
Load
April 2026
42 departures · 1,406 passengers
67.0%
Load
May 2026
46 departures · 1,362 passengers
59.2%
Load
June 2026
42 departures · 1,450 passengers
69.0%
Load
July 2026
46 departures · 1,485 passengers
64.6%
Load
By direction
Each direction is filed separately — they rarely match.
IAD → JST
63.2% full
23 departures · 727 passengers
JST → IAD
65.9% full
23 departures · 758 passengers
Nonstop IAD–JST 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
Johnstown
US
John Murtha Johnstown Cambria County Airport
Coordinates
40.32°N, 78.83°W
Hemisphere
N · W
Frequently asked
How far is Dulles (IAD) from Johnstown (JST)?
IAD to JST is 120 miles (193 km / 104 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to JST?
A nonstop covers the 120-mile great-circle distance in roughly 1h 02m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–JST?
In July 2026, the Bombardier CRJ-200 flew the largest share of departures (100.0%).
What mileage do I earn flying IAD–JST?
Distance-based programs credit off the 120-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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