Seattle-Tacoma International ⇄ Yakima Air Trml/Mcallister Field SEA–YKM
Airlines flew 1,440 flights between Seattle-Tacoma International SEA in Seattle, WA and Yakima Air Trml/Mcallister Field YKM in Yakima, WA in the twelve months to July 2026, both directions together: 83,574 passengers in 110,251 seats, 76% of them filled, and 35,628 pounds of freight. 103 miles, about 27 minutes in the air, on 5 airlines: Horizon Air (1,431), Delta Air Lines Inc. (5), Sun Country Airlines d/b/a MN Airlines (2), Alaska Airlines Inc. (1) 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 | 126 |
| 2/25 | 112 |
| 3/25 | 126 |
| 4/25 | 120 |
| 5/25 | 126 |
| 6/25 | 120 |
| 7/25 | 123 |
| 8/25 | 124 |
| 9/25 | 122 |
| 10/25 | 119 |
| 11/25 | 116 |
| 12/25 | 123 |
| 1/26 | 113 |
| 2/26 | 109 |
| 3/26 | 125 |
| 4/26 | 120 |
| 5/26 | 126 |
| 6/26 | 120 |
| 7/26 | 123 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 8,042 |
| 2/25 | 7,386 |
| 3/25 | 7,821 |
| 4/25 | 7,052 |
| 5/25 | 7,556 |
| 6/25 | 7,157 |
| 7/25 | 7,052 |
| 8/25 | 6,913 |
| 9/25 | 7,212 |
| 10/25 | 7,180 |
| 11/25 | 6,529 |
| 12/25 | 7,751 |
| 1/26 | 6,636 |
| 2/26 | 6,254 |
| 3/26 | 7,589 |
| 4/26 | 6,708 |
| 5/26 | 7,267 |
| 6/26 | 6,875 |
| 7/26 | 6,660 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Horizon Air QX | 1,431 | 82,629 | 76% | scheduled passenger service |
| Delta Air Lines Inc. DL | 5 | 666 | 87% | scheduled passenger service |
| Sun Country Airlines d/b/a MN Airlines SY | 2 | 0 | 0% | charter passenger service |
| Alaska Airlines Inc. AS | 1 | 150 | 84% | scheduled passenger service |
| United Air Lines Inc. UA | 1 | 129 | 72% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 1,431 | 76 | 82,629 |
| Boeing 737-800 | 3 | 177 | 105 |
| Airbus Industrie A321-200n | 2 | 194 | 380 |
| A200-100 BD-500-1A10 | 2 | 109 | 181 |
| Boeing B737 Max 900 | 1 | 179 | 129 |
| Boeing 737-900ER | 1 | 178 | 150 |
SEA → YKM this direction alone · flown January 2025 to July 2026
716 flights of 726 scheduled, 40,336 passengers in 54,526 seats, 21,893 pounds of freight. Horizon Air 715; Sun Country Airlines d/b/a MN Airlines 1.
YKM → SEA this direction alone · flown January 2025 to July 2026
724 flights of 721 scheduled, 43,238 passengers in 55,725 seats, 13,735 pounds of freight. Horizon Air 716; Delta Air Lines Inc. 5; Alaska Airlines Inc. 1; Sun Country Airlines d/b/a MN Airlines 1; United 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 Yakima Air Trml/Mcallister Field YKM; all routes.
