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
Filed traffic dataIn May 2026, United Airlines operated the most departures, one of 3 carriers flying nonstop CHS–IAD; the Embraer E175 was the most common aircraft at 40% of departures; flights ran 72% full.
Departures
219
May 2026
Seats
26,083
both directions
Passengers
18,815
both directions
Load factor
72.1%
RPM ÷ ASM
Who flies CHS–IAD?
United Airlines operated the most nonstop CHS–IAD departures in May 2026 (131), one of 3 carriers on the route.
- UA
131 departures · 19,635 seats
Share of departures59.8%68.4%
Load
- YV
56 departures · 4,016 seats
Share of departures25.6%81.7%
Load
- YX
32 departures · 2,432 seats
Share of departures14.6%86.4%
Load
What plane flies CHS–IAD?
In May 2026, the Embraer E175 flew 40% of CHS–IAD departures — more than any other aircraft type.
- Embraer E175
88 departures · 83.4% load
40.2% - Boeing 737 MAX 8
45 departures · 65.0% load
20.5% - Airbus A319
41 departures · 63.7% load
18.7% - Boeing 737-700
15 departures · 76.7% load
6.9% - Boeing 737 MAX 9
14 departures · 80.1% load
6.4% - Airbus A320
9 departures · 61.5% load
4.1% - Boeing 737-900ER
7 departures · 79.9% load
3.2%
How has CHS–IAD traffic changed?
Nonstop CHS–IAD departures fell from 225 in June 2025 to 219 in May 2026.
Monthly nonstop CHS–IAD traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
219 departures · 18,815 passengers
72.1%
Load
By direction
Each direction is filed separately — they rarely match.
CHS → IAD
76.0% full
110 departures · 9,964 passengers
IAD → CHS
68.3% full
109 departures · 8,851 passengers
Nonstop CHS–IAD 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
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 May 2026, the Embraer E175 flew the largest share of departures (40.2%), followed by the Boeing 737 MAX 8 (20.5%).
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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