Palm Springs (PSP) to Santa Rosa (STS)
Flight time
≈ 1h 45m
Bearing
314° NW
Palm Springs (PSP) to Santa Rosa (STS) is 478 miles (768 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies PSP–STS
US DOT T-100 · filed dataIn April 2026, SkyWest Airlines was the only carrier flying nonstop PSP–STS; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 64% full.
Departures
42
April 2026
Seats
3,192
both directions
Passengers
2,031
both directions
Load factor
63.6%
passengers ÷ seats
Who flies PSP–STS?
SkyWest Airlines was the only carrier to fly nonstop PSP–STS in April 2026 (42 departures).
- OO
SkyWest Airlines
42 departures · 3,192 seats
Share of departures100.0%63.6%
Load
What plane flies PSP–STS?
In April 2026, the Embraer E175 flew 100% of PSP–STS departures.
- Embraer E175
42 departures · 63.6% load
100.0%
How has PSP–STS traffic changed?
Nonstop PSP–STS departures rose from 18 in May 2025 to 42 in April 2026.
Monthly nonstop PSP–STS traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
18 departures · 1,250 passengers
46.6%
Load
June 2025
4 departures · 250 passengers
41.9%
Load
July 2025
0 departures · 0 passengers
—
Load
August 2025
0 departures · 0 passengers
—
Load
September 2025
1 departures · 70 passengers
92.1%
Load
October 2025
8 departures · 319 passengers
52.5%
Load
November 2025
43 departures · 2,079 passengers
63.6%
Load
December 2025
41 departures · 1,853 passengers
59.5%
Load
January 2026
44 departures · 2,012 passengers
61.5%
Load
February 2026
40 departures · 2,275 passengers
74.8%
Load
March 2026
44 departures · 2,629 passengers
78.6%
Load
April 2026
42 departures · 2,031 passengers
63.6%
Load
By direction
The DOT files each direction separately — they rarely match.
PSP → STS
63.8% full
21 departures · 1,019 passengers
STS → PSP
63.4% full
21 departures · 1,012 passengers
Nonstop PSP–STS 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 Palm Springs (PSP) from Santa Rosa (STS)?
PSP to STS is 478 miles (768 km / 415 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from PSP to STS?
A nonstop covers the 478-mile great-circle distance in roughly 1h 45m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies PSP–STS?
In April 2026, the Embraer E175 flew the largest share of departures (100.0%).
What mileage do I earn flying PSP–STS?
Distance-based programs credit off the 478-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
Keep exploring
Every route below is its own page.
Other routes from PSP
Popular long-haul routes