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

Jacksonville International ⇄ Seattle-Tacoma International JAX–SEA

Airlines flew 8 flights between Jacksonville International JAX in Jacksonville, FL and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 999 passengers in 1,534 seats, 65% of them filled, and 140,551 pounds of freight. 2,442 miles, about 321 minutes in the air, on 3 airlines: Delta Air Lines Inc. (4), Atlas Air Inc. (2), American Airlines Inc. (2). Planning to fly it yourself? The weather and winds along this route right now.

8
flights, twelve months
JAX-SEA: 3 · SEA-JAX: 5
999
passengers
65% of seats filled
2,442
miles
about 321 minutes airborne
3
airlines
3 aircraft types

Flights by month both directions

0124515/255127/26
By month, as a table
flights
5/251
10/255
3/261
7/262

Passengers by month

01162313464621915/254621893487/26
By month, as a table
passengers
5/25191
10/25462
3/26189
7/26348

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Delta Air Lines Inc. DL468789%scheduled passenger service
Atlas Air Inc. 5Y200%charter passenger service
American Airlines Inc. AA231282%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Airbus Industrie A321-200n4194687
Airbus Industrie A321Neoxlr2190312
Boeing 747-40021890

JAX → SEA this direction alone · flown October 2025 to July 2026

3 flights of 1 scheduled, 343 passengers in 573 seats, 70,421 pounds of freight. Atlas Air Inc. 1; American Airlines Inc. 1; Delta Air Lines Inc. 1.

SEA → JAX this direction alone · flown May 2025 to July 2026

5 flights of 1 scheduled, 656 passengers in 961 seats, 70,130 pounds of freight. Delta Air Lines Inc. 3; Atlas Air Inc. 1; American Airlines Inc. 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: Jacksonville International JAX and Seattle-Tacoma International SEA; all routes.