The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

Washington Dulles International ⇄ Charleston Afb/Intl IAD–CHS

Airlines flew 2,049 flights between Washington Dulles International IAD in Washington, DC and Charleston Afb/Intl CHS in Charleston, SC in the twelve months to July 2026, both directions together: 162,782 passengers in 213,001 seats, 76% of them filled, and 739 pounds of freight. 442 miles, about 79 minutes in the air, on 8 airlines: United Air Lines Inc. (915), Republic Airline (587), Mesa Airlines Inc. (407), CommuteAir LLC dba CommuteAir (133) and 4 more. Planning to fly it yourself? The weather and winds along this route right now.

2,049
flights, twelve months
IAD-CHS: 1,025 · CHS-IAD: 1,024
162,782
passengers
76% of seats filled
442
miles
about 79 minutes airborne
8
airlines
14 aircraft types

Flights by month both directions

0571141722291/254/257/2510/251/264/261807/26
By month, as a table
flights
1/25156
2/25154
3/25229
4/25228
5/25223
6/25225
7/25174
8/25180
9/25160
10/25165
11/25167
12/25151
1/26121
2/26142
3/26186
4/26198
5/26219
6/26180
7/26180

Passengers by month

04,7049,40814,11118,8151/254/257/2510/251/264/2614,5947/26
By month, as a table
passengers
1/258,988
2/2510,361
3/2515,743
4/2517,054
5/2516,766
6/2517,152
7/2513,872
8/2512,888
9/2511,558
10/2512,473
11/2513,720
12/2510,685
1/267,640
2/2611,444
3/2616,514
4/2617,276
5/2618,815
6/2615,175
7/2614,594

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA91596,47273%scheduled passenger service
Republic Airline YX58736,96884%scheduled passenger service
Mesa Airlines Inc. YV40723,44280%scheduled passenger service
CommuteAir LLC dba CommuteAir C51335,75286%scheduled passenger service
Jet Aviation Flight Services, Inc. 27Q41120%charter passenger service
Delta Air Lines Inc. DL16651%scheduled passenger service
PSA Airlines Inc. OH16586%scheduled passenger service
Tradewind Aviation TJ1675%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-1759287456,276
Airbus Industrie A31929012627,646
Boeing 737-700/700LR/Max 725212625,215
Boeing B737 Max 90014817918,309
Boeing B737 Max 80013716616,206
Embraer-145133505,752
Embraer-Emb-17066704,134
Boeing 737-900ER411794,747
Boeing 737-800291662,521
Airbus Industrie A320-100/200181501,828
Gulfstream G45041411
Pilatus PC-12186
Canadair CRJ 90017665
A220-300 BD-500-1A11113066

IAD → CHS this direction alone · flown January 2025 to July 2026

1,025 flights of 1,033 scheduled, 80,718 passengers in 109,259 seats, 605 pounds of freight. United Air Lines Inc. 459; Republic Airline 292; Mesa Airlines Inc. 204; CommuteAir LLC dba CommuteAir 67; Jet Aviation Flight Services, Inc. 3.

CHS → IAD this direction alone · flown January 2025 to July 2026

1,024 flights of 1,032 scheduled, 82,064 passengers in 103,742 seats, 134 pounds of freight. United Air Lines Inc. 456; Republic Airline 295; Mesa Airlines Inc. 203; CommuteAir LLC dba CommuteAir 66; Jet Aviation Flight Services, Inc. 1; Delta Air Lines Inc. 1; PSA Airlines Inc. 1; Tradewind Aviation 1.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Washington Dulles International IAD and Charleston Afb/Intl CHS; all routes.