Santa Ana (SNA) to Santa Rosa (STS)

433mi
697 km376 nm

Flight time

≈ 1h 40m

Bearing

322° NW

Santa Ana (SNA) to Santa Rosa (STS) is 433 miles (697 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: SNA → STSSNASTS

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What actually flies SNASTS

Filed traffic data

In May 2026, SkyWest Airlines was the only carrier flying nonstop SNA–STS; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 76% full.

Departures

121

May 2026

Seats

9,196

both directions

Passengers

7,021

both directions

Load factor

76.3%

RPM ÷ ASM

Who flies SNA–STS?

SkyWest Airlines was the only carrier to fly nonstop SNA–STS in May 2026 (121 departures).

  • OO

    SkyWest Airlines

    121 departures · 9,196 seats

    76.3%

    Load

What plane flies SNA–STS?

In May 2026, the Embraer E175 flew 100% of SNA–STS departures.

How has SNA–STS traffic changed?

Nonstop SNA–STS departures rose from 120 in June 2025 to 121 in May 2026.

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

  • June 2025

    120 departures · 7,703 passengers

    84.5%

    Load

  • July 2025

    124 departures · 7,664 passengers

    81.3%

    Load

  • August 2025

    122 departures · 7,471 passengers

    80.6%

    Load

  • September 2025

    119 departures · 7,279 passengers

    80.5%

    Load

  • October 2025

    124 departures · 7,425 passengers

    78.8%

    Load

  • November 2025

    137 departures · 8,271 passengers

    79.4%

    Load

  • December 2025

    178 departures · 9,673 passengers

    71.5%

    Load

  • January 2026

    114 departures · 6,862 passengers

    79.2%

    Load

  • February 2026

    88 departures · 5,929 passengers

    88.6%

    Load

  • March 2026

    111 departures · 7,383 passengers

    88.3%

    Load

  • April 2026

    120 departures · 7,507 passengers

    82.3%

    Load

  • May 2026

    121 departures · 7,021 passengers

    76.3%

    Load

By direction

Each direction is filed separately — they rarely match.

STSSNA

75.7% full

61 departures · 3,508 passengers

SNASTS

77.0% full

60 departures · 3,513 passengers

Nonstop SNA–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

SNA

US

John Wayne Orange County International Airport

Coordinates

33.68°N, 117.87°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 Santa Ana (SNA) from Santa Rosa (STS)?

SNA to STS is 433 miles (697 km / 376 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from SNA to STS?

A nonstop covers the 433-mile great-circle distance in roughly 1h 40m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies SNA–STS?

In May 2026, the Embraer E175 flew the largest share of departures (100.0%).

What mileage do I earn flying SNA–STS?

Distance-based programs credit off the 433-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

Keep exploring

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