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Phoenix (PHX) to Santa Rosa (STS)

698mi
1,123 km606 nm

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.

Route map: PHX → STSPHXSTS

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What actually flies PHXSTS

US DOT T-100 · filed data

In 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

    87.8%

    Load

  • MQ

    Envoy Air

    24 departures · 1,824 seats

    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.

How has PHX–STS traffic changed?

Nonstop PHX–STS departures fell from 124 in May 2025 to 112 in April 2026.

Monthly nonstop PHXSTS 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.

PHXSTS

89.0% full

56 departures · 3,378 passengers

STSPHX

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

PHX

US

Phoenix Sky Harbor International Airport

Coordinates

33.44°N, 112.01°W

Hemisphere

N · W

STS

US

Charles M. Schulz Sonoma County Airport

Coordinates

38.51°N, 122.81°W

Hemisphere

N · W

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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