Denver International ⇄ San Francisco International DEN–SFO
Airlines flew 11,040 flights between Denver International DEN in Denver, CO and San Francisco International SFO in San Francisco, CA in the twelve months to July 2026, both directions together: 1,744,547 passengers in 2,089,156 seats, 84% of them filled, and 3,737,619 pounds of freight. 967 miles, about 134 minutes in the air, on 9 airlines: United Air Lines Inc. (6,868), Southwest Airlines Co. (2,803), Frontier Airlines Inc. (1,267), SkyWest Airlines Inc. (70) and 5 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 | 960 |
| 2/25 | 896 |
| 3/25 | 951 |
| 4/25 | 936 |
| 5/25 | 984 |
| 6/25 | 945 |
| 7/25 | 917 |
| 8/25 | 932 |
| 9/25 | 908 |
| 10/25 | 929 |
| 11/25 | 876 |
| 12/25 | 927 |
| 1/26 | 891 |
| 2/26 | 808 |
| 3/26 | 902 |
| 4/26 | 856 |
| 5/26 | 975 |
| 6/26 | 999 |
| 7/26 | 1,037 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 128,112 |
| 2/25 | 122,055 |
| 3/25 | 147,231 |
| 4/25 | 141,952 |
| 5/25 | 163,922 |
| 6/25 | 165,703 |
| 7/25 | 165,123 |
| 8/25 | 157,970 |
| 9/25 | 144,600 |
| 10/25 | 151,781 |
| 11/25 | 136,484 |
| 12/25 | 146,203 |
| 1/26 | 128,746 |
| 2/26 | 118,825 |
| 3/26 | 147,207 |
| 4/26 | 134,367 |
| 5/26 | 157,173 |
| 6/26 | 162,821 |
| 7/26 | 158,370 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 6,868 | 1,149,103 | 84% | charter cargo service, charter passenger service, scheduled passenger service |
| Southwest Airlines Co. WN | 2,803 | 377,231 | 82% | scheduled passenger service |
| Frontier Airlines Inc. F9 | 1,267 | 215,584 | 87% | scheduled passenger service |
| SkyWest Airlines Inc. OO | 70 | 162 | 3% | scheduled passenger service |
| Delta Air Lines Inc. DL | 21 | 918 | 52% | charter passenger service |
| Air Canada AC | 5 | 754 | 92% | scheduled passenger service |
| American Airlines Inc. AA | 3 | 511 | 92% | scheduled passenger service |
| JetBlue Airways B6 | 2 | 284 | 89% | scheduled passenger service |
| Global Jet Luxembourg, Sa SVW | 1 | 0 | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Airbus Industrie A321-200n | 3,120 | 202 | 557,520 |
| Boeing B737 Max 800 | 1,652 | 172 | 219,429 |
| Boeing 737-800 | 1,122 | 173 | 151,820 |
| Boeing 757-300 | 1,069 | 234 | 219,892 |
| Boeing 737-900ER | 846 | 179 | 120,426 |
| Airbus Industrie A320-200n | 840 | 186 | 136,922 |
| Boeing 737-700/700LR/Max 7 | 816 | 140 | 97,521 |
| Boeing B737 Max 900 | 815 | 179 | 106,287 |
| Boeing 757-200 | 326 | 170 | 47,986 |
| Boeing 777-200ER/200LR/233LR | 196 | 354 | 58,112 |
| Airbus Industrie A320-100/200 | 88 | 179 | 13,865 |
| Airbus Industrie A321Neoxlr | 58 | 226 | 10,927 |
| Embraer ERJ-175 | 47 | 71 | 80 |
| Canadair RJ-700 | 12 | 70 | 82 |
| Canadair RJ-200ER /RJ-440 | 11 | 50 | 0 |
| B787-900 Dreamliner | 11 | 238 | 2,336 |
| Airbus Industrie A319 | 5 | 126 | 428 |
| Boeing 767-300/300ER | 3 | 203 | 551 |
| A220-300 BD-500-1A11 | 1 | 137 | 137 |
| Gulfstream G650 | 1 | 0 | 0 |
| B787-800 Dreamliner | 1 | 243 | 226 |
DEN → SFO this direction alone · flown January 2025 to July 2026
5,543 flights of 5,504 scheduled, 902,632 passengers in 1,055,937 seats, 1,672,007 pounds of freight, 111,842 pounds of mail. United Air Lines Inc. 3,441; Southwest Airlines Co. 1,409; Frontier Airlines Inc. 634; SkyWest Airlines Inc. 41; Delta Air Lines Inc. 11; Air Canada 4; American Airlines Inc. 2; JetBlue Airways 1.
SFO → DEN this direction alone · flown January 2025 to July 2026
5,497 flights of 5,486 scheduled, 841,915 passengers in 1,033,219 seats, 2,065,612 pounds of freight, 815,965 pounds of mail. United Air Lines Inc. 3,427; Southwest Airlines Co. 1,394; Frontier Airlines Inc. 633; SkyWest Airlines Inc. 29; Delta Air Lines Inc. 10; American Airlines Inc. 1; Air Canada 1; JetBlue Airways 1; Global Jet Luxembourg, Sa 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: Denver International DEN and San Francisco International SFO; all routes.