Charleston (CHS) to Dulles (IAD)
Flight time
≈ 1h 41m
Bearing
18° N
Charleston (CHS) to Dulles (IAD) is 442 miles (712 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies CHS–IAD
US DOT T-100 · filed dataIn April 2026, United Airlines operated the most departures, one of 4 carriers flying nonstop CHS–IAD; the Airbus A319 was the most common aircraft at 36% of departures; flights ran 79% full.
Departures
198
April 2026
Seats
21,804
both directions
Passengers
17,276
both directions
Load factor
79.2%
passengers ÷ seats
Who flies CHS–IAD?
United Airlines operated the most nonstop CHS–IAD departures in April 2026 (137), one of 4 carriers on the route.
- UA
United Airlines
137 departures · 17,550 seats
Share of departures69.2%76.8%
Load
- YV
Mesa Airlines
35 departures · 2,486 seats
Share of departures17.7%88.5%
Load
- YX
Republic Airways
18 departures · 1,368 seats
Share of departures9.1%88.8%
Load
- C5
CommuteAir
8 departures · 400 seats
Share of departures4.0%94.0%
Load
What plane flies CHS–IAD?
In April 2026, the Airbus A319 flew 36% of CHS–IAD departures — more than any other aircraft type.
- Airbus A319
71 departures · 78.8% load
35.9% - Boeing 737-700
58 departures · 74.9% load
29.3% - Embraer E175
53 departures · 88.6% load
26.8% - Embraer ERJ-145
8 departures · 94.0% load
4.0% - Boeing 737 MAX 8
6 departures · 72.6% load
3.0% - Airbus A320
2 departures · 78.3% load
1.0%
How has CHS–IAD traffic changed?
Nonstop CHS–IAD departures fell from 223 in May 2025 to 198 in April 2026.
Monthly nonstop CHS–IAD traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
223 departures · 16,766 passengers
82.4%
Load
June 2025
225 departures · 17,152 passengers
82.2%
Load
July 2025
174 departures · 13,872 passengers
80.9%
Load
August 2025
180 departures · 12,888 passengers
80.2%
Load
September 2025
160 departures · 11,558 passengers
84.0%
Load
October 2025
165 departures · 12,473 passengers
75.9%
Load
November 2025
167 departures · 13,720 passengers
69.1%
Load
December 2025
151 departures · 10,685 passengers
82.0%
Load
January 2026
121 departures · 7,640 passengers
62.9%
Load
February 2026
142 departures · 11,444 passengers
73.0%
Load
March 2026
186 departures · 16,514 passengers
78.5%
Load
April 2026
198 departures · 17,276 passengers
79.2%
Load
By direction
The DOT files each direction separately — they rarely match.
CHS → IAD
82.2% full
99 departures · 8,870 passengers
IAD → CHS
76.3% full
99 departures · 8,406 passengers
Nonstop CHS–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 Charleston (CHS) from Dulles (IAD)?
CHS to IAD is 442 miles (712 km / 384 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from CHS to IAD?
A nonstop covers the 442-mile great-circle distance in roughly 1h 41m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies CHS–IAD?
In April 2026, the Airbus A319 flew the largest share of departures (35.9%), followed by the Boeing 737-700 (29.3%).
What mileage do I earn flying CHS–IAD?
Distance-based programs credit off the 442-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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