Lihue, Kauai (LIH) to Sacramento (SMF)
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.
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What actually flies LIH–SMF
US DOT T-100 · filed dataIn 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
Share of departures100.0%79.8%
Load
What plane flies LIH–SMF?
In April 2026, the Airbus A321neo flew 100% of LIH–SMF departures.
- Airbus A321neo
34 departures · 79.8% load
100.0%
How has LIH–SMF traffic changed?
Nonstop LIH–SMF departures fell from 36 in May 2025 to 34 in April 2026.
Monthly nonstop LIH–SMF 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.
LIH → SMF
84.0% full
17 departures · 2,699 passengers
SMF → LIH
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
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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