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

Filed traffic data

In May 2026, SkyWest Airlines was the only carrier flying nonstop PHX–STS; the Bombardier CRJ-700 was the most common aircraft at 81% of departures; flights ran 85% full.

Departures

118

May 2026

Seats

7,912

both directions

Passengers

6,726

both directions

Load factor

85.0%

RPM ÷ ASM

Who flies PHX–STS?

SkyWest Airlines was the only carrier to fly nonstop PHX–STS in May 2026 (118 departures).

  • OO

    SkyWest Airlines

    118 departures · 7,912 seats

    85.0%

    Load

What plane flies PHX–STS?

In May 2026, the Bombardier CRJ-700 flew 81% of PHX–STS departures — more than any other aircraft type.

How has PHX–STS traffic changed?

Nonstop PHX–STS departures fell from 121 in June 2025 to 118 in May 2026.

Monthly nonstop PHXSTS traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • 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

  • May 2026

    118 departures · 6,726 passengers

    85.0%

    Load

By direction

Each direction is filed separately — they rarely match.

PHXSTS

88.9% full

59 departures · 3,516 passengers

STSPHX

81.1% full

59 departures · 3,210 passengers

Nonstop PHX–STS traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).

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 May 2026, the Bombardier CRJ-700 flew the largest share of departures (81.4%), followed by the Embraer E175 (18.6%).

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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