Dulles (IAD) to Johnstown (JST)

120mi
193 km104 nm

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.

Route map: IAD → JSTIADJST

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What actually flies IADJST

Filed traffic data

In May 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 59% full.

Departures

46

May 2026

Seats

2,300

both directions

Passengers

1,362

both directions

Load factor

59.2%

RPM ÷ ASM

Who flies IAD–JST?

SkyWest Airlines was the only carrier to fly nonstop IAD–JST in May 2026 (46 departures).

  • OO

    SkyWest Airlines

    46 departures · 2,300 seats

    59.2%

    Load

What plane flies IAD–JST?

In May 2026, the Bombardier CRJ-200 flew 100% of IAD–JST departures.

How has IAD–JST traffic changed?

Nonstop IAD–JST departures fell from 60 in June 2025 to 46 in May 2026.

Monthly nonstop IADJST traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • June 2025

    60 departures · 1,775 passengers

    59.2%

    Load

  • July 2025

    62 departures · 2,021 passengers

    65.2%

    Load

  • 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

By direction

Each direction is filed separately — they rarely match.

IADJST

57.8% full

23 departures · 665 passengers

JSTIAD

60.6% full

23 departures · 697 passengers

Nonstop IAD–JST traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).

The airports

IAD

US

Washington Dulles International Airport

Coordinates

38.94°N, 77.46°W

Hemisphere

N · W

JST

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 May 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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