San Diego International ⇄ San Francisco International SAN–SFO
Airlines flew 14,228 flights between San Diego International SAN in San Diego, CA and San Francisco International SFO in San Francisco, CA in the twelve months to July 2026, both directions together: 1,603,197 passengers in 2,006,164 seats, 80% of them filled, and 604,275 pounds of freight. 447 miles, about 68 minutes in the air, on 10 airlines: United Air Lines Inc. (5,235), Southwest Airlines Co. (3,948), SkyWest Airlines Inc. (2,906), Horizon Air (1,133) and 6 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 | 1,096 |
| 2/25 | 983 |
| 3/25 | 1,209 |
| 4/25 | 1,178 |
| 5/25 | 1,218 |
| 6/25 | 1,154 |
| 7/25 | 1,159 |
| 8/25 | 1,186 |
| 9/25 | 1,144 |
| 10/25 | 1,315 |
| 11/25 | 1,173 |
| 12/25 | 1,156 |
| 1/26 | 1,142 |
| 2/26 | 1,029 |
| 3/26 | 1,119 |
| 4/26 | 1,147 |
| 5/26 | 1,200 |
| 6/26 | 1,266 |
| 7/26 | 1,351 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 128,293 |
| 2/25 | 117,236 |
| 3/25 | 139,859 |
| 4/25 | 143,917 |
| 5/25 | 149,417 |
| 6/25 | 148,307 |
| 7/25 | 150,849 |
| 8/25 | 144,350 |
| 9/25 | 133,657 |
| 10/25 | 157,003 |
| 11/25 | 138,793 |
| 12/25 | 135,580 |
| 1/26 | 114,966 |
| 2/26 | 110,258 |
| 3/26 | 129,355 |
| 4/26 | 129,179 |
| 5/26 | 129,285 |
| 6/26 | 137,055 |
| 7/26 | 143,716 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 5,235 | 716,395 | 80% | scheduled passenger service |
| Southwest Airlines Co. WN | 3,948 | 476,512 | 77% | scheduled passenger service |
| SkyWest Airlines Inc. OO | 2,906 | 193,223 | 88% | scheduled passenger service |
| Horizon Air QX | 1,133 | 76,173 | 88% | scheduled passenger service |
| Alaska Airlines Inc. AS | 602 | 71,437 | 69% | scheduled passenger service |
| Frontier Airlines Inc. F9 | 389 | 68,738 | 84% | scheduled passenger service |
| Delta Air Lines Inc. DL | 12 | 651 | 43% | charter passenger service |
| Scott Aviation, LLC d/b/a Silver Air 3EQ | 1 | 4 | 50% | charter passenger service |
| Air Alsie A/S 15Q | 1 | 3 | 23% | charter passenger service |
| Air Canada AC | 1 | 61 | 87% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 4,029 | 76 | 268,917 |
| Boeing 737-800 | 3,323 | 168 | 441,621 |
| Boeing 737-700/700LR/Max 7 | 2,046 | 139 | 228,127 |
| Boeing B737 Max 800 | 1,962 | 171 | 255,506 |
| Boeing 737-900ER | 1,227 | 179 | 172,219 |
| Boeing B737 Max 900 | 1,183 | 179 | 161,041 |
| Airbus Industrie A320-200n | 184 | 186 | 27,552 |
| Airbus Industrie A321-200n | 152 | 234 | 31,064 |
| Airbus Industrie A320-100/200 | 56 | 158 | 7,578 |
| Airbus Industrie A321Neoxlr | 42 | 230 | 8,435 |
| Boeing 757-200 | 12 | 125 | 651 |
| Canadair RJ-700 | 8 | 70 | 479 |
| Canadair RJ-200ER /RJ-440 | 2 | 50 | 0 |
| Cessna CE-680 Citation Sovereign | 1 | 8 | 4 |
| Dassault Falcon 7X | 1 | 13 | 3 |
SAN → SFO this direction alone · flown January 2025 to July 2026
7,121 flights of 7,205 scheduled, 810,410 passengers in 1,005,024 seats, 316,129 pounds of freight, 62,324 pounds of mail. United Air Lines Inc. 2,620; Southwest Airlines Co. 1,976; SkyWest Airlines Inc. 1,459; Horizon Air 569; Alaska Airlines Inc. 301; Frontier Airlines Inc. 191; Delta Air Lines Inc. 4; Scott Aviation, LLC d/b/a Silver Air 1.
SFO → SAN this direction alone · flown January 2025 to July 2026
7,107 flights of 7,199 scheduled, 792,787 passengers in 1,001,140 seats, 288,146 pounds of freight, 89,714 pounds of mail. United Air Lines Inc. 2,615; Southwest Airlines Co. 1,972; SkyWest Airlines Inc. 1,447; Horizon Air 564; Alaska Airlines Inc. 301; Frontier Airlines Inc. 198; Delta Air Lines Inc. 8; Air Alsie A/S 1; Air Canada 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 San Francisco International SFO; all routes.