Seattle-Tacoma International ⇄ Liberia SEA–LIR
Airlines flew 49 flights between Seattle-Tacoma International SEA in Seattle, WA and Liberia, Costa Rica LIR in Liberia, CR in the twelve months to July 2026, both directions together: 6,822 passengers in 7,841 seats, 87% of them filled, and 1,408 pounds of freight. 3,320 miles, about 394 minutes in the air, on 1 airline: Alaska Airlines Inc. (49).
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 8 |
| 2/25 | 8 |
| 3/25 | 10 |
| 4/25 | 8 |
| 5/25 | 4 |
| 11/25 | 3 |
| 12/25 | 8 |
| 1/26 | 9 |
| 2/26 | 8 |
| 3/26 | 9 |
| 4/26 | 8 |
| 5/26 | 4 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 1,144 |
| 2/25 | 1,134 |
| 3/25 | 1,420 |
| 4/25 | 1,145 |
| 5/25 | 462 |
| 11/25 | 409 |
| 12/25 | 1,099 |
| 1/26 | 1,263 |
| 2/26 | 1,144 |
| 3/26 | 1,314 |
| 4/26 | 1,092 |
| 5/26 | 501 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Alaska Airlines Inc. AS | 49 | 6,822 | 87% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing B737 Max 800 | 45 | 160 | 6,279 |
| Boeing 737-800 | 4 | 159 | 543 |
SEA → LIR this direction alone · flown January 2025 to May 2026
25 flights of 23 scheduled, 3,417 passengers in 3,999 seats, 550 pounds of freight. Alaska Airlines Inc. 25.
LIR → SEA this direction alone · flown January 2025 to May 2026
24 flights of 23 scheduled, 3,405 passengers in 3,842 seats, 858 pounds of freight. Alaska Airlines Inc. 24.
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 Liberia, Costa Rica LIR; all routes.