Seattle-Tacoma International ⇄ Barcelona SEA–BCN
Airlines flew 72 flights between Seattle-Tacoma International SEA in Seattle, WA and Barcelona, Spain BCN in Barcelona, ES in the twelve months to July 2026, both directions together: 15,389 passengers in 20,231 seats, 76% of them filled, and 298,921 pounds of freight. 5,439 miles, about 606 minutes in the air, on 1 airline: Delta Air Lines Inc. (72).
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 5/26 | 21 |
| 6/26 | 25 |
| 7/26 | 26 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 5/26 | 4,292 |
| 6/26 | 5,361 |
| 7/26 | 5,736 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Delta Air Lines Inc. DL | 72 | 15,389 | 76% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Airbus Industrie A330-900 | 71 | 281 | 15,172 |
| Airbus Industrie A330-300/333 | 1 | 282 | 217 |
SEA → BCN this direction alone · flown May 2026 to July 2026
37 flights of 37 scheduled, 8,123 passengers in 10,396 seats, 9,908 pounds of freight. Delta Air Lines Inc. 37.
BCN → SEA this direction alone · flown May 2026 to July 2026
35 flights of 37 scheduled, 7,266 passengers in 9,835 seats, 289,013 pounds of freight. Delta Air Lines Inc. 35.
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 Barcelona, Spain BCN; all routes.