Seattle-Tacoma International ⇄ Sacramento International SEA–SMF
Airlines flew 9,124 flights between Seattle-Tacoma International SEA in Seattle, WA and Sacramento International SMF in Sacramento, CA in the twelve months to July 2026, both directions together: 865,737 passengers in 1,116,461 seats, 78% of them filled, and 916,201 pounds of freight. 605 miles, about 84 minutes in the air, on 8 airlines: SkyWest Airlines Inc. (3,770), Alaska Airlines Inc. (2,698), Southwest Airlines Co. (2,272), Horizon Air (342) and 4 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 | 696 |
| 2/25 | 589 |
| 3/25 | 733 |
| 4/25 | 787 |
| 5/25 | 833 |
| 6/25 | 885 |
| 7/25 | 911 |
| 8/25 | 853 |
| 9/25 | 802 |
| 10/25 | 804 |
| 11/25 | 754 |
| 12/25 | 685 |
| 1/26 | 633 |
| 2/26 | 608 |
| 3/26 | 731 |
| 4/26 | 743 |
| 5/26 | 798 |
| 6/26 | 838 |
| 7/26 | 875 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 55,173 |
| 2/25 | 52,467 |
| 3/25 | 62,985 |
| 4/25 | 67,524 |
| 5/25 | 74,491 |
| 6/25 | 85,544 |
| 7/25 | 91,389 |
| 8/25 | 87,291 |
| 9/25 | 75,231 |
| 10/25 | 70,976 |
| 11/25 | 62,898 |
| 12/25 | 65,112 |
| 1/26 | 54,975 |
| 2/26 | 56,402 |
| 3/26 | 66,933 |
| 4/26 | 67,958 |
| 5/26 | 76,604 |
| 6/26 | 87,495 |
| 7/26 | 93,862 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| SkyWest Airlines Inc. OO | 3,770 | 227,317 | 82% | scheduled passenger service |
| Alaska Airlines Inc. AS | 2,698 | 360,437 | 78% | charter passenger service, scheduled passenger service |
| Southwest Airlines Co. WN | 2,272 | 254,708 | 72% | scheduled passenger service |
| Horizon Air QX | 342 | 23,021 | 89% | scheduled passenger service |
| Air Transport International 8C | 38 | 0 | charter cargo service | |
| Delta Air Lines Inc. DL | 2 | 0 | 0% | charter passenger service |
| United Air Lines Inc. UA | 1 | 106 | 64% | scheduled passenger service |
| Aeromexico AM | 1 | 148 | 89% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 4,112 | 73 | 250,338 |
| Boeing 737-700/700LR/Max 7 | 1,358 | 139 | 139,369 |
| Boeing 737-800 | 1,087 | 166 | 135,180 |
| Boeing 737-900ER | 958 | 178 | 133,670 |
| Boeing B737 Max 900 | 836 | 178 | 117,176 |
| Boeing B737 Max 800 | 731 | 173 | 89,688 |
| Boeing 767-300/300ER | 38 | 0 | 0 |
| Boeing 737-900 | 2 | 178 | 316 |
| Boeing 757-200 | 1 | 72 | 0 |
| Airbus Industrie A321Neoxlr | 1 | 191 | 0 |
SEA → SMF this direction alone · flown January 2025 to July 2026
4,563 flights of 4,558 scheduled, 432,742 passengers in 558,098 seats, 458,899 pounds of freight, 2,681 pounds of mail. SkyWest Airlines Inc. 1,879; Alaska Airlines Inc. 1,350; Southwest Airlines Co. 1,134; Horizon Air 177; Air Transport International 21; Delta Air Lines Inc. 1; United Air Lines Inc. 1.
SMF → SEA this direction alone · flown January 2025 to July 2026
4,561 flights of 4,561 scheduled, 432,995 passengers in 558,363 seats, 457,302 pounds of freight, 123,259 pounds of mail. SkyWest Airlines Inc. 1,891; Alaska Airlines Inc. 1,348; Southwest Airlines Co. 1,138; Horizon Air 165; Air Transport International 17; Aeromexico 1; Delta Air Lines 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: Seattle-Tacoma International SEA and Sacramento International SMF; all routes.