Aspen (ASE) to San Francisco (SFO)
Flight time
≈ 2h 29m
Bearing
267° W
Aspen (ASE) to San Francisco (SFO) is 846 miles (1,361 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies ASE–SFO
US DOT T-100 · filed dataIn April 2026, SkyWest Airlines was the only carrier flying nonstop ASE–SFO; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 50% full.
Departures
18
April 2026
Seats
1,260
both directions
Passengers
631
both directions
Load factor
50.1%
passengers ÷ seats
Who flies ASE–SFO?
SkyWest Airlines was the only carrier to fly nonstop ASE–SFO in April 2026 (18 departures).
- OO
SkyWest Airlines
18 departures · 1,260 seats
Share of departures100.0%50.1%
Load
What plane flies ASE–SFO?
In April 2026, the Embraer E175 flew 100% of ASE–SFO departures.
- Embraer E175
18 departures · 50.1% load
100.0%
How has ASE–SFO traffic changed?
Nonstop ASE–SFO departures fell from 61 in June 2025 to 18 in April 2026.
Monthly nonstop ASE–SFO traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
61 departures · 3,162 passengers
74.1%
Load
July 2025
75 departures · 4,064 passengers
77.4%
Load
August 2025
74 departures · 4,052 passengers
78.2%
Load
September 2025
47 departures · 2,247 passengers
68.3%
Load
October 2025
0 departures · 0 passengers
—
Load
November 2025
0 departures · 0 passengers
—
Load
December 2025
54 departures · 2,517 passengers
66.6%
Load
January 2026
114 departures · 4,830 passengers
60.5%
Load
February 2026
127 departures · 5,693 passengers
64.0%
Load
March 2026
115 departures · 4,847 passengers
60.2%
Load
April 2026
18 departures · 631 passengers
50.1%
Load
By direction
The DOT files each direction separately — they rarely match.
ASE → SFO
49.2% full
9 departures · 310 passengers
SFO → ASE
50.9% full
9 departures · 321 passengers
Nonstop ASE–SFO traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Aspen (ASE) from San Francisco (SFO)?
ASE to SFO is 846 miles (1,361 km / 735 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ASE to SFO?
A nonstop covers the 846-mile great-circle distance in roughly 2h 29m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ASE–SFO?
In April 2026, the Embraer E175 flew the largest share of departures (100.0%).
What mileage do I earn flying ASE–SFO?
Distance-based programs credit off the 846-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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