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Lihue, Kauai (LIH) to Sacramento (SMF)

2,506mi
4,033 km2,178 nm

Flight time

≈ 5h 49m

Bearing

54° NE

Lihue, Kauai (LIH) to Sacramento (SMF) is 2,506 miles (4,033 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: LIH → SMFLIHSMF

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What actually flies LIHSMF

US DOT T-100 · filed data

In April 2026, Alaska Airlines was the only carrier flying nonstop LIH–SMF; the Airbus A321neo was the most common aircraft at 100% of departures; flights ran 80% full.

Departures

34

April 2026

Seats

6,426

both directions

Passengers

5,131

both directions

Load factor

79.8%

passengers ÷ seats

Who flies LIH–SMF?

Alaska Airlines was the only carrier to fly nonstop LIH–SMF in April 2026 (34 departures).

  • AS

    Alaska Airlines

    34 departures · 6,426 seats

    79.8%

    Load

What plane flies LIH–SMF?

In April 2026, the Airbus A321neo flew 100% of LIH–SMF departures.

How has LIH–SMF traffic changed?

Nonstop LIH–SMF departures fell from 36 in May 2025 to 34 in April 2026.

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

  • May 2025

    36 departures · 5,702 passengers

    83.8%

    Load

  • June 2025

    34 departures · 5,912 passengers

    92.0%

    Load

  • July 2025

    36 departures · 5,769 passengers

    84.8%

    Load

  • August 2025

    35 departures · 4,563 passengers

    69.0%

    Load

  • September 2025

    34 departures · 4,597 passengers

    71.5%

    Load

  • October 2025

    35 departures · 5,255 passengers

    79.4%

    Load

  • November 2025

    34 departures · 4,938 passengers

    76.8%

    Load

  • December 2025

    34 departures · 4,612 passengers

    71.8%

    Load

  • January 2026

    36 departures · 4,793 passengers

    70.4%

    Load

  • February 2026

    32 departures · 4,473 passengers

    74.0%

    Load

  • March 2026

    35 departures · 5,066 passengers

    76.6%

    Load

  • April 2026

    34 departures · 5,131 passengers

    79.8%

    Load

By direction

The DOT files each direction separately — they rarely match.

LIHSMF

84.0% full

17 departures · 2,699 passengers

SMFLIH

75.7% full

17 departures · 2,432 passengers

Nonstop LIH–SMF 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

LIH

US

Lihue Airport

Coordinates

21.97°N, 159.34°W

Hemisphere

N · W

SMF

US

Sacramento International Airport

Coordinates

38.70°N, 121.59°W

Hemisphere

N · W

Frequently asked

How far is Lihue, Kauai (LIH) from Sacramento (SMF)?

LIH to SMF is 2,506 miles (4,033 km / 2,178 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from LIH to SMF?

A nonstop covers the 2,506-mile great-circle distance in roughly 5h 49m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies LIH–SMF?

In April 2026, the Airbus A321neo flew the largest share of departures (100.0%).

What mileage do I earn flying LIH–SMF?

Distance-based programs credit off the 2,506-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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