Phoenix (PHX) to Santa Rosa (STS)
Flight time
≈ 2h 12m
Bearing
303° NW
Phoenix (PHX) to Santa Rosa (STS) is 698 miles (1,123 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies PHX–STS
US DOT T-100 · filed dataIn April 2026, SkyWest Airlines operated the most departures, one of 2 carriers flying nonstop PHX–STS; the Bombardier CRJ-700 was the most common aircraft at 75% of departures; flights ran 87% full.
Departures
112
April 2026
Seats
7,588
both directions
Passengers
6,592
both directions
Load factor
86.9%
passengers ÷ seats
Who flies PHX–STS?
SkyWest Airlines operated the most nonstop PHX–STS departures in April 2026 (88), one of 2 carriers on the route.
- OO
SkyWest Airlines
88 departures · 5,764 seats
Share of departures78.6%87.8%
Load
- MQ
Envoy Air
24 departures · 1,824 seats
Share of departures21.4%84.0%
Load
What plane flies PHX–STS?
In April 2026, the Bombardier CRJ-700 flew 75% of PHX–STS departures — more than any other aircraft type.
- Bombardier CRJ-700
84 departures · 88.5% load
75.0% - Embraer E175
28 departures · 82.7% load
25.0%
How has PHX–STS traffic changed?
Nonstop PHX–STS departures fell from 124 in May 2025 to 112 in April 2026.
Monthly nonstop PHX–STS traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
124 departures · 8,039 passengers
63.6%
Load
June 2025
121 departures · 7,304 passengers
62.9%
Load
July 2025
121 departures · 6,886 passengers
56.5%
Load
August 2025
124 departures · 6,212 passengers
62.5%
Load
September 2025
110 departures · 5,583 passengers
67.0%
Load
October 2025
120 departures · 7,709 passengers
84.5%
Load
November 2025
100 departures · 6,397 passengers
84.2%
Load
December 2025
96 departures · 6,409 passengers
87.8%
Load
January 2026
124 departures · 6,566 passengers
69.7%
Load
February 2026
109 departures · 6,666 passengers
79.5%
Load
March 2026
124 departures · 8,484 passengers
90.0%
Load
April 2026
112 departures · 6,592 passengers
86.9%
Load
By direction
The DOT files each direction separately — they rarely match.
PHX → STS
89.0% full
56 departures · 3,378 passengers
STS → PHX
84.7% full
56 departures · 3,214 passengers
Nonstop PHX–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 Phoenix (PHX) from Santa Rosa (STS)?
PHX to STS is 698 miles (1,123 km / 606 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from PHX to STS?
A nonstop covers the 698-mile great-circle distance in roughly 2h 12m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies PHX–STS?
In April 2026, the Bombardier CRJ-700 flew the largest share of departures (75.0%), followed by the Embraer E175 (25.0%).
What mileage do I earn flying PHX–STS?
Distance-based programs credit off the 698-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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