Seattle-Tacoma International ⇄ Oakland San Francisco Bay SEA–OAK
Airlines flew 5,507 flights between Seattle-Tacoma International SEA in Seattle, WA and Oakland San Francisco Bay OAK in Oakland, CA in the twelve months to July 2026, both directions together: 529,347 passengers in 666,239 seats, 79% of them filled, and 58,531,187 pounds of freight. 672 miles, about 99 minutes in the air, on 6 airlines: Southwest Airlines Co. (2,205), Alaska Airlines Inc. (1,452), Horizon Air (936), Federal Express Corporation (813) and 2 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 | 445 |
| 2/25 | 372 |
| 3/25 | 400 |
| 4/25 | 431 |
| 5/25 | 521 |
| 6/25 | 623 |
| 7/25 | 657 |
| 8/25 | 612 |
| 9/25 | 577 |
| 10/25 | 528 |
| 11/25 | 440 |
| 12/25 | 430 |
| 1/26 | 400 |
| 2/26 | 383 |
| 3/26 | 369 |
| 4/26 | 378 |
| 5/26 | 417 |
| 6/26 | 478 |
| 7/26 | 495 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 34,878 |
| 2/25 | 29,961 |
| 3/25 | 34,739 |
| 4/25 | 39,311 |
| 5/25 | 47,566 |
| 6/25 | 63,678 |
| 7/25 | 67,196 |
| 8/25 | 64,330 |
| 9/25 | 53,384 |
| 10/25 | 48,016 |
| 11/25 | 40,410 |
| 12/25 | 42,305 |
| 1/26 | 34,544 |
| 2/26 | 34,634 |
| 3/26 | 31,441 |
| 4/26 | 32,488 |
| 5/26 | 37,773 |
| 6/26 | 52,382 |
| 7/26 | 57,640 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Southwest Airlines Co. WN | 2,205 | 271,168 | 78% | scheduled passenger service |
| Alaska Airlines Inc. AS | 1,452 | 187,631 | 78% | scheduled passenger service |
| Horizon Air QX | 936 | 63,788 | 90% | scheduled passenger service |
| Federal Express Corporation FX | 813 | 0 | scheduled cargo service | |
| SkyWest Airlines Inc. OO | 96 | 6,619 | 91% | scheduled passenger service |
| Delta Air Lines Inc. DL | 5 | 141 | 24% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-700/700LR/Max 7 | 1,318 | 138 | 144,678 |
| Embraer ERJ-175 | 1,032 | 76 | 70,407 |
| Boeing B737 Max 800 | 811 | 173 | 108,475 |
| Boeing 737-800 | 685 | 168 | 89,287 |
| Boeing 767-300/300ER | 661 | 0 | 0 |
| Boeing 737-900ER | 445 | 178 | 61,860 |
| Boeing B737 Max 900 | 398 | 178 | 54,499 |
| McDonnell Douglas MD-11 | 136 | 0 | 0 |
| Boeing B777-F | 16 | 0 | 0 |
| Boeing 757-200 | 4 | 119 | 131 |
| A200-100 BD-500-1A10 | 1 | 109 | 10 |
SEA → OAK this direction alone · flown January 2025 to July 2026
2,809 flights of 2,829 scheduled, 263,607 passengers in 333,322 seats, 28,434,159 pounds of freight. Southwest Airlines Co. 1,103; Alaska Airlines Inc. 728; Federal Express Corporation 460; Horizon Air 459; SkyWest Airlines Inc. 58; Delta Air Lines Inc. 1.
OAK → SEA this direction alone · flown January 2025 to July 2026
2,698 flights of 2,714 scheduled, 265,740 passengers in 332,917 seats, 30,097,028 pounds of freight. Southwest Airlines Co. 1,102; Alaska Airlines Inc. 724; Horizon Air 477; Federal Express Corporation 353; SkyWest Airlines Inc. 38; Delta Air Lines Inc. 4.
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 Oakland San Francisco Bay OAK; all routes.