Dulles (IAD) to Harrisburg (MDT)
Flight time
≈ 0h 59m
Bearing
23° NE
Dulles (IAD) to Harrisburg (MDT) is 94 miles (151 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAD–MDT
Filed traffic dataIn June 2026, CommuteAir operated the most departures, one of 3 carriers flying nonstop IAD–MDT; the Embraer ERJ-145 was the most common aircraft at 99% of departures; flights ran 84% full.
Departures
222
June 2026
Seats
11,352
both directions
Passengers
9,531
both directions
Load factor
84.0%
RPM ÷ ASM
Who flies IAD–MDT?
CommuteAir operated the most nonstop IAD–MDT departures in June 2026 (220), one of 3 carriers on the route.
- C5
220 departures · 11,000 seats
Share of departures99.1%84.2%
Load
- UA
1 departures · 276 seats
Share of departures0.5%69.6%
Load
- YX
1 departures · 76 seats
Share of departures0.5%98.7%
Load
What plane flies IAD–MDT?
In June 2026, the Embraer ERJ-145 flew 99% of IAD–MDT departures — more than any other aircraft type.
- Embraer ERJ-145
220 departures · 84.2% load
99.1% - Boeing 777-200
1 departures · 69.6% load
0.4% - Embraer E175
1 departures · 98.7% load
0.4%
How has IAD–MDT traffic changed?
Nonstop IAD–MDT departures rose from 200 in July 2025 to 222 in June 2026.
Monthly nonstop IAD–MDT traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
200 departures · 8,829 passengers
88.3%
Load
August 2025
187 departures · 8,147 passengers
87.1%
Load
September 2025
159 departures · 7,022 passengers
86.5%
Load
October 2025
184 departures · 7,606 passengers
82.7%
Load
November 2025
159 departures · 6,222 passengers
79.1%
Load
December 2025
174 departures · 6,990 passengers
80.3%
Load
January 2026
163 departures · 6,206 passengers
76.1%
Load
February 2026
158 departures · 6,572 passengers
83.2%
Load
March 2026
191 departures · 7,952 passengers
82.3%
Load
April 2026
180 departures · 7,654 passengers
85.0%
Load
May 2026
191 departures · 8,009 passengers
83.9%
Load
June 2026
222 departures · 9,531 passengers
84.0%
Load
By direction
Each direction is filed separately — they rarely match.
IAD → MDT
85.0% full
111 departures · 4,738 passengers
MDT → IAD
83.0% full
111 departures · 4,793 passengers
Nonstop IAD–MDT 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 Harrisburg (MDT)?
IAD to MDT is 94 miles (151 km / 82 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to MDT?
A nonstop covers the 94-mile great-circle distance in roughly 0h 59m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–MDT?
In June 2026, the Embraer ERJ-145 flew the largest share of departures (99.1%), followed by the Boeing 777-200 (0.4%).
What mileage do I earn flying IAD–MDT?
Distance-based programs credit off the 94-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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