Kailua-Kona (KOA) to San Jose (SJC)

2,382mi
3,834 km2,070 nm

Flight time

≈ 5h 34m

Bearing

52° NE

Kailua-Kona (KOA) to San Jose (SJC) is 2,382 miles (3,834 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: KOA → SJCKOASJC

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What actually flies KOASJC

Filed traffic data

In June 2026, Alaska Airlines was the only carrier flying nonstop KOA–SJC; the Airbus A321neo was the most common aircraft at 75% of departures; flights ran 91% full.

Departures

32

June 2026

Seats

5,875

both directions

Passengers

5,338

both directions

Load factor

90.9%

RPM ÷ ASM

Who flies KOA–SJC?

Alaska Airlines was the only carrier to fly nonstop KOA–SJC in June 2026 (32 departures).

  • AS

    Alaska Airlines

    32 departures · 5,875 seats

    90.9%

    Load

What plane flies KOA–SJC?

In June 2026, the Airbus A321neo flew 75% of KOA–SJC departures — more than any other aircraft type.

How has KOA–SJC traffic changed?

Nonstop KOA–SJC departures rose from 25 in July 2025 to 32 in June 2026.

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

  • July 2025

    25 departures · 3,721 passengers

    93.4%

    Load

  • August 2025

    26 departures · 3,496 passengers

    84.4%

    Load

  • September 2025

    25 departures · 3,153 passengers

    78.9%

    Load

  • October 2025

    27 departures · 3,563 passengers

    81.4%

    Load

  • November 2025

    24 departures · 3,302 passengers

    79.8%

    Load

  • December 2025

    30 departures · 4,199 passengers

    82.3%

    Load

  • January 2026

    4 departures · 597 passengers

    88.3%

    Load

  • February 2026

    20 departures · 2,386 passengers

    67.7%

    Load

  • March 2026

    33 departures · 4,539 passengers

    78.3%

    Load

  • April 2026

    26 departures · 3,849 passengers

    83.5%

    Load

  • May 2026

    26 departures · 3,764 passengers

    85.1%

    Load

  • June 2026

    32 departures · 5,338 passengers

    90.9%

    Load

By direction

Each direction is filed separately — they rarely match.

KOASJC

86.6% full

16 departures · 2,522 passengers

SJCKOA

95.0% full

16 departures · 2,816 passengers

Nonstop KOA–SJC traffic has been filed since 2025.

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

The airports

KOA

US

Ellison Onizuka Kona International Airport at Keāhole

Coordinates

19.74°N, 156.05°W

Hemisphere

N · W

SJC

US

Norman Y. Mineta San Jose International Airport

Coordinates

37.36°N, 121.93°W

Hemisphere

N · W

Frequently asked

How far is Kailua-Kona (KOA) from San Jose (SJC)?

KOA to SJC is 2,382 miles (3,834 km / 2,070 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from KOA to SJC?

A nonstop covers the 2,382-mile great-circle distance in roughly 5h 34m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies KOA–SJC?

In June 2026, the Airbus A321neo flew the largest share of departures (75.0%), followed by the Boeing 737 MAX 8 (9.4%).

What mileage do I earn flying KOA–SJC?

Distance-based programs credit off the 2,382-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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