San Diego International ⇄ Boeing Fld/King County International SAN–BFI
Airlines flew 6 flights between San Diego International SAN in San Diego, CA and Boeing Fld/King County International BFI in Seattle, WA in the twelve months to July 2026, both directions together: 296 passengers in 774 seats, 38% of them filled. 1,056 miles, about 145 minutes in the air, on 2 airlines: Sun Country Airlines d/b/a MN Airlines (3), Delta Air Lines Inc. (3). 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 | |
|---|---|
| 5/25 | 1 |
| 6/25 | 1 |
| 4/26 | 3 |
| 5/26 | 2 |
| 6/26 | 1 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 5/25 | 60 |
| 6/25 | 2 |
| 4/26 | 135 |
| 5/26 | 92 |
| 6/26 | 69 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Sun Country Airlines d/b/a MN Airlines SY | 3 | 92 | 16% | charter passenger service |
| Delta Air Lines Inc. DL | 3 | 204 | 94% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-800 | 3 | 186 | 92 |
| Boeing 757-200 | 3 | 72 | 204 |
SAN → BFI this direction alone · flown April 2026 to May 2026
3 flights, 113 passengers in 444 seats. Sun Country Airlines d/b/a MN Airlines 2; Delta Air Lines Inc. 1.
BFI → SAN this direction alone · flown May 2025 to June 2026
3 flights, 183 passengers in 330 seats. Delta Air Lines Inc. 2; Sun Country Airlines d/b/a MN Airlines 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: San Diego International SAN and Boeing Fld/King County International BFI; all routes.