Columbia (CAE) to Dulles (IAD)
Flight time
≈ 1h 36m
Bearing
29° NE
Columbia (CAE) to Dulles (IAD) is 401 miles (646 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies CAE–IAD
US DOT T-100 · filed dataIn April 2026, CommuteAir operated the most departures, one of 3 carriers flying nonstop CAE–IAD; the Embraer ERJ-145 was the most common aircraft at 53% of departures; flights ran 81% full.
Departures
156
April 2026
Seats
7,880
both directions
Passengers
6,352
both directions
Load factor
80.6%
passengers ÷ seats
Who flies CAE–IAD?
CommuteAir operated the most nonstop CAE–IAD departures in April 2026 (82), one of 3 carriers on the route.
- C5
CommuteAir
82 departures · 4,100 seats
Share of departures52.6%84.9%
Load
- G7
GoJet Airlines
73 departures · 3,650 seats
Share of departures46.8%76.0%
Load
- DL
Delta Air Lines
1 departures · 130 seats
Share of departures0.6%73.9%
Load
What plane flies CAE–IAD?
In April 2026, the Embraer ERJ-145 flew 53% of CAE–IAD departures — more than any other aircraft type.
- Embraer ERJ-145
82 departures · 84.9% load
52.6% - Bombardier CRJ-550
73 departures · 76.0% load
46.8% - Airbus A220-300
1 departures · 73.9% load
0.6%
How has CAE–IAD traffic changed?
Nonstop CAE–IAD departures fell from 173 in May 2025 to 156 in April 2026.
Monthly nonstop CAE–IAD traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
173 departures · 7,772 passengers
89.8%
Load
June 2025
166 departures · 7,144 passengers
86.1%
Load
July 2025
142 departures · 6,458 passengers
88.9%
Load
August 2025
169 departures · 7,504 passengers
87.9%
Load
September 2025
160 departures · 7,328 passengers
91.6%
Load
October 2025
186 departures · 7,771 passengers
83.6%
Load
November 2025
165 departures · 6,784 passengers
82.0%
Load
December 2025
115 departures · 5,013 passengers
85.2%
Load
January 2026
105 departures · 3,761 passengers
71.6%
Load
February 2026
104 departures · 4,176 passengers
80.3%
Load
March 2026
124 departures · 5,037 passengers
81.2%
Load
April 2026
156 departures · 6,352 passengers
80.6%
Load
By direction
The DOT files each direction separately — they rarely match.
CAE → IAD
81.0% full
78 departures · 3,160 passengers
IAD → CAE
80.2% full
78 departures · 3,192 passengers
Nonstop CAE–IAD 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 Columbia (CAE) from Dulles (IAD)?
CAE to IAD is 401 miles (646 km / 349 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from CAE to IAD?
A nonstop covers the 401-mile great-circle distance in roughly 1h 36m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies CAE–IAD?
In April 2026, the Embraer ERJ-145 flew the largest share of departures (52.6%), followed by the Bombardier CRJ-550 (46.8%).
What mileage do I earn flying CAE–IAD?
Distance-based programs credit off the 401-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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