Great-circle route DEN ↔ SFO. Faint dots are other airports, for geographic context. Download this map — free to reuse with a link back to this page.
Frequencies below are per direction, from our most recent schedule sample. The two directions are not identical — that is normal on scheduled routes.
| Direction | Frequency | Days | Airlines |
|---|---|---|---|
| DEN → SFO Denver to San Francisco |
112/wk | Daily | Frontier Airlines, Southwest Airlines, United Airlines |
| SFO → DEN San Francisco to Denver |
108/wk | Daily | Frontier Airlines, Southwest Airlines, United Airlines |
Where a direction shows “—” we track it as an operating nonstop but hold no schedule sample for it — we would rather show nothing than guess.
In 2025, airlines reported 1,770,216 passengers on 11,135 flights between DEN and SFO — about 4,853 a day — filling 83% of the 2,128,666 seats flown. United Air Lines Inc. carried the most passengers (66%).
Source: US DOT T-100 segment reports — actual airline-reported traffic, scheduled service only, both directions combined. Cargo and charter flights excluded.
3 airlines fly the DEN–SFO nonstop, including Frontier Airlines, Southwest Airlines, United Airlines.
Recent scheduled departures on this route have used the Boeing 737, Boeing 757-300, Airbus A320, Boeing 737-900 and 2 other types.
Aircraft assignments change by season and by time of day.
The distance between Denver International Airport and San Francisco International Airport is 965 miles, or 1,553 kilometres.
| Great-circle distance | 965 mi |
| Kilometres | 1,553 km |
| Nautical miles | 839 nmi |
Measured airport to airport. The actual track is longer — aircraft follow airways, avoid restricted airspace and route around weather.
Yes. 3 airlines fly the route nonstop, with about 220 departures a week across both directions. The route is in our live nonstop dataset, last seeded 2026-07-07.
About 2h 30m in the air. That is a great-circle estimate from the 965-mile distance, not a scheduled block time — an airline's published time will differ by roughly 15 to 45 minutes depending on routing, winds and taxi.
About 112 a week from Denver to San Francisco and 108 a week from San Francisco to Denver, from our most recent schedule sample.
Frontier Airlines, Southwest Airlines, United Airlines.
In 2025, airlines reported 1,770,216 passengers on 11,135 scheduled flights between DEN and SFO — about 4,853 a day — filling 83% of the seats flown. Source: US DOT T-100 segment reports, both directions combined.
Recent scheduled departures have used the Boeing 737, Boeing 757-300, Airbus A320, Boeing 737-900. Assignments change by season and by time of day.
