Dulles (IAD) to Ithaca (ITH)
Flight time
≈ 1h 18m
Bearing
12° N
Dulles (IAD) to Ithaca (ITH) is 251 miles (403 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAD–ITH
Filed traffic dataIn July 2026, CommuteAir was the only carrier flying nonstop IAD–ITH; the Embraer ERJ-145 was the most common aircraft at 100% of departures; flights ran 78% full.
Departures
105
July 2026
Seats
5,250
both directions
Passengers
4,072
both directions
Load factor
77.6%
RPM ÷ ASM
Who flies IAD–ITH?
CommuteAir was the only carrier to fly nonstop IAD–ITH in July 2026 (105 departures).
- C5
105 departures · 5,250 seats
Share of departures100.0%77.6%
Load
What plane flies IAD–ITH?
In July 2026, the Embraer ERJ-145 flew 100% of IAD–ITH departures.
- Embraer ERJ-145
105 departures · 77.6% load
100.0%
How has IAD–ITH traffic changed?
Nonstop IAD–ITH departures fell from 126 in August 2025 to 105 in July 2026.
Monthly nonstop IAD–ITH traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
126 departures · 5,248 passengers
83.3%
Load
September 2025
120 departures · 5,266 passengers
87.8%
Load
October 2025
174 departures · 7,489 passengers
86.1%
Load
November 2025
116 departures · 4,841 passengers
83.5%
Load
December 2025
118 departures · 4,705 passengers
79.8%
Load
January 2026
119 departures · 4,247 passengers
71.9%
Load
February 2026
107 departures · 4,331 passengers
81.0%
Load
March 2026
168 departures · 6,517 passengers
77.6%
Load
April 2026
176 departures · 6,149 passengers
69.9%
Load
May 2026
166 departures · 5,698 passengers
68.7%
Load
June 2026
127 departures · 4,543 passengers
71.5%
Load
July 2026
105 departures · 4,072 passengers
77.6%
Load
By direction
Each direction is filed separately — they rarely match.
ITH → IAD
74.7% full
54 departures · 2,016 passengers
IAD → ITH
80.6% full
51 departures · 2,056 passengers
Nonstop IAD–ITH 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
Ithaca
US
Ithaca Tompkins Regional Airport
Coordinates
42.49°N, 76.46°W
Hemisphere
N · W
Frequently asked
How far is Dulles (IAD) from Ithaca (ITH)?
IAD to ITH is 251 miles (403 km / 218 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to ITH?
A nonstop covers the 251-mile great-circle distance in roughly 1h 18m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–ITH?
In July 2026, the Embraer ERJ-145 flew the largest share of departures (100.0%).
What mileage do I earn flying IAD–ITH?
Distance-based programs credit off the 251-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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