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

Key West International ⇄ Washington Dulles International EYW–IAD

Airlines flew 303 flights between Key West International EYW in Key West, FL and Washington Dulles International IAD in Washington, DC in the twelve months to July 2026, both directions together: 16,313 passengers in 23,412 seats, 70% of them filled. 1,024 miles, about 143 minutes in the air, on 4 airlines: Republic Airline (218), Mesa Airlines Inc. (71), United Air Lines Inc. (13), CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle (1). Planning to fly it yourself? The weather and winds along this route right now.

303
flights, twelve months
EYW-IAD: 154 · IAD-EYW: 149
16,313
passengers
70% of seats filled
1,024
miles
about 143 minutes airborne
4
airlines
4 aircraft types

Flights by month both directions

0173450671/254/2512/253/2637/26
By month, as a table
flights
1/2560
2/2555
3/2560
4/251
6/252
11/251
12/2556
1/2667
2/2656
3/2661
4/2658
6/261
7/263

Passengers by month

01,4442,8874,3305,7741/254/2512/253/262887/26
By month, as a table
passengers
1/253,539
2/254,271
3/255,774
4/2578
6/25196
11/2546
12/252,742
1/263,467
2/263,320
3/263,699
4/262,749
6/262
7/26288

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Republic Airline YX21811,49469%scheduled passenger service
Mesa Airlines Inc. YV713,54968%scheduled passenger service
United Air Lines Inc. UA131,26877%scheduled passenger service
CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle LF1225%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-1752867514,869
Boeing 737-700/700LR/Max 7131261,268
Embraer-Emb-170370174
Cessna 510 Mustang/560XL Citation Excel182

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

154 flights of 150 scheduled, 8,371 passengers in 12,196 seats. Republic Airline 104; Mesa Airlines Inc. 36; United Air Lines Inc. 13; CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle 1.

IAD → EYW this direction alone · flown January 2025 to April 2026

149 flights of 150 scheduled, 7,942 passengers in 11,216 seats. Republic Airline 114; Mesa Airlines Inc. 35.

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: Key West International EYW and Washington Dulles International IAD; all routes.