Routes and flights · the DOT's airline reports, August 2025 to July 2026

Seattle-Tacoma International ⇄ Changchun SEA–CGQ

Airlines flew 1 flights between Seattle-Tacoma International SEA in Seattle, WA and Changchun, China CGQ in Changchun, CN in the twelve months to July 2026, both directions together: 0 passengers, and 17,738 pounds of freight. 4,903 miles, about 771 minutes in the air, on 1 airline: National Air Cargo Group Inc d/ba National Airlines (1).

flights, twelve months

SEA-CGQ: 1

passengers

no seats reported (cargo)

4,903

miles

about 771 minutes airborne

airline

1 aircraft type

Flights by month both directions

By month, as a table

	flights
12/25	1

Passengers by month

By month, as a table

	passengers
12/25	0

The airlines twelve months, both directions

Airline	Flights	Passengers	Seats filled	Service
National Air Cargo Group Inc d/ba National Airlines N8	1	0		charter passenger service

The aircraft as the airlines report their types

Aircraft	Flights	Seats a flight	Passengers
Boeing 747-400	1	0	0

SEA → CGQ this direction alone · flown December 2025 to December 2025

1 flights, 0 passengers, 17,738 pounds of freight. National Air Cargo Group Inc d/ba National Airlines 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: Seattle-Tacoma International SEA and Changchun, China CGQ; all routes.