San Diego (SAN) to San Jose (SJC)

417mi
671 km363 nm

Flight time

≈ 1h 38m

Bearing

321° NW

San Diego (SAN) to San Jose (SJC) is 417 miles (671 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: SAN → SJCSANSJC

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What actually flies SAN–SJC

Filed traffic data

In May 2026, Southwest Airlines operated the most departures, one of 5 carriers flying nonstop SAN–SJC; the Embraer E175 was the most common aircraft at 31% of departures; flights ran 69% full.

Departures

1,000

May 2026

Seats

133,883

both directions

Passengers

92,170

both directions

Load factor

68.8%

RPM ÷ ASM

Who flies SAN–SJC?

Southwest Airlines operated the most nonstop SAN–SJC departures in May 2026 (649), one of 5 carriers on the route.

What plane flies SAN–SJC?

In May 2026, the Embraer E175 flew 31% of SAN–SJC departures — more than any other aircraft type.

How has SAN–SJC traffic changed?

Nonstop SAN–SJC departures rose from 944 in June 2025 to 1,000 in May 2026.

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

  • June 2025

    944 departures · 98,247 passengers

    78.7%

    Load

  • July 2025

    938 departures · 97,120 passengers

    78.5%

    Load

  • August 2025

    909 departures · 99,393 passengers

    81.7%

    Load

  • September 2025

    839 departures · 85,106 passengers

    75.5%

    Load

  • October 2025

    890 departures · 93,116 passengers

    76.0%

    Load

  • November 2025

    925 departures · 90,051 passengers

    77.1%

    Load

  • December 2025

    920 departures · 93,436 passengers

    80.0%

    Load

  • January 2026

    805 departures · 71,562 passengers

    69.0%

    Load

  • February 2026

    812 departures · 77,127 passengers

    74.0%

    Load

  • March 2026

    953 departures · 89,792 passengers

    74.4%

    Load

  • April 2026

    975 departures · 91,104 passengers

    72.1%

    Load

  • May 2026

    1,000 departures · 92,170 passengers

    68.8%

    Load

By direction

Each direction is filed separately — they rarely match.

SAN → SJC

69.7% full

502 departures · 46,778 passengers

SJC → SAN

68.0% full

498 departures · 45,392 passengers

Nonstop SAN–SJC 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

SAN

San Diego

US

San Diego International Airport

Coordinates

32.73°N, 117.19°W

Hemisphere

N · W

SJC

San Jose

US

Norman Y. Mineta San Jose International Airport

Coordinates

37.36°N, 121.93°W

Hemisphere

N · W

Frequently asked

How far is San Diego (SAN) from San Jose (SJC)?

SAN to SJC is 417 miles (671 km / 363 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from SAN to SJC?

A nonstop covers the 417-mile great-circle distance in roughly 1h 38m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies SAN–SJC?

In May 2026, the Embraer E175 flew the largest share of departures (31.2%), followed by the Boeing 737-700 (26.7%).

What mileage do I earn flying SAN–SJC?

Distance-based programs credit off the 417-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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