Mahlon Sweet Field ⇄ Seattle-Tacoma International EUG–SEA
Airlines flew 5,215 flights between Mahlon Sweet Field EUG in Eugene, OR and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 317,941 passengers in 453,202 seats, 70% of them filled, and 133,358 pounds of freight. 234 miles, about 46 minutes in the air, on 5 airlines: SkyWest Airlines Inc. (3,170), Horizon Air (1,378), Alaska Airlines Inc. (658), Sun Country Airlines d/b/a MN Airlines (7) and 1 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 | 409 |
| 2/25 | 367 |
| 3/25 | 421 |
| 4/25 | 413 |
| 5/25 | 464 |
| 6/25 | 481 |
| 7/25 | 487 |
| 8/25 | 494 |
| 9/25 | 479 |
| 10/25 | 435 |
| 11/25 | 380 |
| 12/25 | 383 |
| 1/26 | 398 |
| 2/26 | 370 |
| 3/26 | 415 |
| 4/26 | 424 |
| 5/26 | 465 |
| 6/26 | 478 |
| 7/26 | 494 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 24,870 |
| 2/25 | 22,506 |
| 3/25 | 28,171 |
| 4/25 | 26,518 |
| 5/25 | 30,472 |
| 6/25 | 35,580 |
| 7/25 | 34,832 |
| 8/25 | 35,253 |
| 9/25 | 32,479 |
| 10/25 | 27,165 |
| 11/25 | 23,231 |
| 12/25 | 23,254 |
| 1/26 | 22,839 |
| 2/26 | 22,200 |
| 3/26 | 25,655 |
| 4/26 | 23,131 |
| 5/26 | 25,642 |
| 6/26 | 29,234 |
| 7/26 | 27,858 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| SkyWest Airlines Inc. OO | 3,170 | 167,158 | 71% | scheduled passenger service |
| Horizon Air QX | 1,378 | 86,264 | 82% | scheduled passenger service |
| Alaska Airlines Inc. AS | 658 | 64,422 | 57% | charter passenger service, scheduled passenger service |
| Sun Country Airlines d/b/a MN Airlines SY | 7 | 53 | 4% | charter passenger service |
| Delta Air Lines Inc. DL | 2 | 44 | 20% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 4,548 | 75 | 253,422 |
| Boeing 737-900ER | 242 | 178 | 23,869 |
| Boeing 737-800 | 203 | 161 | 18,995 |
| Boeing B737 Max 900 | 168 | 178 | 16,532 |
| Boeing B737 Max 800 | 42 | 160 | 4,131 |
| Boeing 737-900 | 6 | 178 | 574 |
| Boeing 737-700/700LR/Max 7 | 4 | 124 | 374 |
| A200-100 BD-500-1A10 | 2 | 109 | 44 |
EUG → SEA this direction alone · flown January 2025 to July 2026
2,609 flights of 2,604 scheduled, 162,338 passengers in 226,747 seats, 43,223 pounds of freight. SkyWest Airlines Inc. 1,586; Horizon Air 689; Alaska Airlines Inc. 329; Sun Country Airlines d/b/a MN Airlines 4; Delta Air Lines Inc. 1.
SEA → EUG this direction alone · flown January 2025 to July 2026
2,606 flights of 2,613 scheduled, 155,603 passengers in 226,455 seats, 90,135 pounds of freight. SkyWest Airlines Inc. 1,584; Horizon Air 689; Alaska Airlines Inc. 329; Sun Country Airlines d/b/a MN Airlines 3; 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: Mahlon Sweet Field EUG and Seattle-Tacoma International SEA; all routes.
