City Of Colorado Springs Municipal ⇄ Seattle-Tacoma International COS–SEA
Airlines flew 6 flights between City Of Colorado Springs Municipal COS in Colorado Springs, CO and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 605 passengers in 773 seats, 78% of them filled, and 425 pounds of freight. 1,068 miles, about 184 minutes in the air, on 4 airlines: SkyWest Airlines Inc. (2), Southwest Airlines Co. (2), Alaska Airlines Inc. (1), United Air Lines Inc. (1). 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 | 1 |
| 3/25 | 1 |
| 4/25 | 1 |
| 6/25 | 2 |
| 7/25 | 2 |
| 8/25 | 3 |
| 12/25 | 1 |
| 3/26 | 1 |
| 5/26 | 1 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 91 |
| 3/25 | 107 |
| 4/25 | 169 |
| 6/25 | 123 |
| 7/25 | 342 |
| 8/25 | 457 |
| 12/25 | 148 |
| 3/26 | 0 |
| 5/26 | 0 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| SkyWest Airlines Inc. OO | 2 | 0 | 0% | scheduled passenger service |
| Southwest Airlines Co. WN | 2 | 305 | 96% | scheduled passenger service |
| Alaska Airlines Inc. AS | 1 | 152 | 96% | scheduled passenger service |
| United Air Lines Inc. UA | 1 | 148 | 99% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 2 | 73 | 0 |
| Boeing 737-700/700LR/Max 7 | 1 | 143 | 142 |
| Boeing 737-800 | 1 | 159 | 152 |
| Airbus Industrie A320-100/200 | 1 | 150 | 148 |
| Boeing B737 Max 800 | 1 | 175 | 163 |
COS → SEA this direction alone · flown March 2026 to May 2026
2 flights of 2 scheduled, 0 passengers in 146 seats. SkyWest Airlines Inc. 2.
SEA → COS this direction alone · flown January 2025 to December 2025
4 flights, 605 passengers in 627 seats, 425 pounds of freight. Southwest Airlines Co. 2; Alaska Airlines Inc. 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: City Of Colorado Springs Municipal COS and Seattle-Tacoma International SEA; all routes.