Seattle-Tacoma International ⇄ John F Kennedy International SEA–JFK
Airlines flew 5,790 flights between Seattle-Tacoma International SEA in Seattle, WA and John F Kennedy International JFK in New York, NY in the twelve months to July 2026, both directions together: 895,286 passengers in 1,038,893 seats, 86% of them filled, and 15,988,771 pounds of freight. 2,422 miles, about 280 minutes in the air, on 9 airlines: Alaska Airlines Inc. (2,715), Delta Air Lines Inc. (2,577), JetBlue Airways (317), Eva Airways Corporation (158) and 5 more. Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 332 |
| 2/25 | 326 |
| 3/25 | 438 |
| 4/25 | 457 |
| 5/25 | 564 |
| 6/25 | 550 |
| 7/25 | 552 |
| 8/25 | 559 |
| 9/25 | 545 |
| 10/25 | 543 |
| 11/25 | 459 |
| 12/25 | 457 |
| 1/26 | 376 |
| 2/26 | 345 |
| 3/26 | 436 |
| 4/26 | 468 |
| 5/26 | 522 |
| 6/26 | 553 |
| 7/26 | 527 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 52,676 |
| 2/25 | 49,177 |
| 3/25 | 65,894 |
| 4/25 | 72,531 |
| 5/25 | 94,218 |
| 6/25 | 91,637 |
| 7/25 | 92,965 |
| 8/25 | 96,383 |
| 9/25 | 87,077 |
| 10/25 | 84,178 |
| 11/25 | 68,090 |
| 12/25 | 70,166 |
| 1/26 | 55,401 |
| 2/26 | 49,541 |
| 3/26 | 63,125 |
| 4/26 | 66,257 |
| 5/26 | 80,051 |
| 6/26 | 89,086 |
| 7/26 | 85,931 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Alaska Airlines Inc. AS | 2,715 | 408,296 | 86% | scheduled passenger service |
| Delta Air Lines Inc. DL | 2,577 | 433,398 | 87% | charter passenger service, scheduled passenger service |
| JetBlue Airways B6 | 317 | 53,466 | 84% | scheduled passenger service |
| Eva Airways Corporation BR | 158 | 0 | scheduled cargo service | |
| China Airlines Ltd. CI | 16 | 0 | scheduled cargo service | |
| Atlas Air Inc. 5Y | 4 | 0 | charter cargo service | |
| Kalitta Air LLC KAQ | 1 | 0 | charter cargo service | |
| American Airlines Inc. AA | 1 | 126 | 66% | scheduled passenger 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 |
|---|---|---|---|
| Airbus Industrie A321-200n | 2,623 | 194 | 442,312 |
| Boeing B737 Max 900 | 1,186 | 178 | 180,742 |
| Boeing 737-900ER | 1,162 | 178 | 176,686 |
| Boeing 737-800 | 315 | 160 | 43,769 |
| Airbus Industrie A321Neoxlr | 206 | 200 | 35,145 |
| Boeing 777-200ER/200LR/233LR | 159 | 0 | 0 |
| Boeing B737 Max 800 | 58 | 160 | 7,785 |
| Boeing 757-200 | 46 | 166 | 7,075 |
| Boeing B777-F | 17 | 0 | 0 |
| Boeing 767-300/300ER | 8 | 185 | 1,025 |
| Boeing 767-400/ER | 3 | 159 | 0 |
| Airbus Industrie A330-900 | 3 | 281 | 663 |
| Boeing 747-400 | 3 | 0 | 0 |
| Airbus Industrie A320-100/200 | 1 | 157 | 84 |
SEA → JFK this direction alone · flown January 2025 to July 2026
2,797 flights of 2,916 scheduled, 449,728 passengers in 517,930 seats, 3,743,329 pounds of freight, 113,404 pounds of mail. Alaska Airlines Inc. 1,353; Delta Air Lines Inc. 1,285; JetBlue Airways 158; Kalitta Air LLC 1.
JFK → SEA this direction alone · flown January 2025 to July 2026
2,993 flights of 2,943 scheduled, 445,558 passengers in 520,963 seats, 12,245,442 pounds of freight, 204,974 pounds of mail. Alaska Airlines Inc. 1,362; Delta Air Lines Inc. 1,292; JetBlue Airways 159; Eva Airways Corporation 158; China Airlines Ltd. 16; Atlas Air Inc. 4; American Airlines Inc. 1; 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 John F Kennedy International JFK; all routes.