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

Washington Dulles International ⇄ Taipei IAD–TPE

Airlines flew 40 flights between Washington Dulles International IAD in Washington, DC and Taipei, Taiwan TPE in Taipei, TW in the twelve months to July 2026, both directions together: 10,410 passengers in 11,120 seats, 94% of them filled, and 315,545 pounds of freight. 7,862 miles, on 1 airline: Eva Airways Corporation (40).

40
flights, twelve months
IAD-TPE: 20 · TPE-IAD: 20
10,410
passengers
94% of seats filled
7,862
miles
1
airline
1 aircraft type

Flights by month both directions

0817263466/26347/26
By month, as a table
flights
6/266
7/2634

Passengers by month

02,2004,4006,6018,8011,6096/268,8017/26
By month, as a table
passengers
6/261,609
7/268,801

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Eva Airways Corporation BR4010,41094%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
B787-800 Dreamliner4027810,410

IAD → TPE this direction alone · flown June 2026 to July 2026

20 flights, 5,071 passengers in 5,560 seats, 20,507 pounds of freight. Eva Airways Corporation 20.

TPE → IAD this direction alone · flown June 2026 to July 2026

20 flights, 5,339 passengers in 5,560 seats, 295,038 pounds of freight. Eva Airways Corporation 20.

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 Taipei, Taiwan TPE; all routes.