Boise (BOI) to Sacramento (SMF)
Flight time
≈ 1h 40m
Bearing
222° SW
Boise (BOI) to Sacramento (SMF) is 437 miles (703 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOI–SMF
US DOT T-100 · filed dataIn April 2026, Southwest Airlines operated the most departures, one of 2 carriers flying nonstop BOI–SMF; the Boeing 737-700 was the most common aircraft at 34% of departures; flights ran 72% full.
Departures
186
April 2026
Seats
24,178
both directions
Passengers
17,525
both directions
Load factor
72.5%
passengers ÷ seats
Who flies BOI–SMF?
Southwest Airlines operated the most nonstop BOI–SMF departures in April 2026 (126), one of 2 carriers on the route.
- WN
Southwest Airlines
126 departures · 19,618 seats
Share of departures67.7%73.4%
Load
- QX
Horizon Air
60 departures · 4,560 seats
Share of departures32.3%68.6%
Load
What plane flies BOI–SMF?
In April 2026, the Boeing 737-700 flew 34% of BOI–SMF departures — more than any other aircraft type.
- Boeing 737-700
64 departures · 80.4% load
34.4% - Embraer E175
60 departures · 68.6% load
32.3% - Boeing 737 MAX 8
41 departures · 68.9% load
22.0% - Boeing 737-800
21 departures · 65.5% load
11.3%
How has BOI–SMF traffic changed?
Nonstop BOI–SMF departures fell from 192 in May 2025 to 186 in April 2026.
Monthly nonstop BOI–SMF traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
192 departures · 17,989 passengers
75.4%
Load
June 2025
219 departures · 20,165 passengers
71.0%
Load
July 2025
228 departures · 20,601 passengers
69.1%
Load
August 2025
210 departures · 21,664 passengers
75.8%
Load
September 2025
205 departures · 21,161 passengers
74.8%
Load
October 2025
177 departures · 17,976 passengers
82.5%
Load
November 2025
208 departures · 20,357 passengers
75.6%
Load
December 2025
216 departures · 22,394 passengers
79.8%
Load
January 2026
194 departures · 17,034 passengers
67.8%
Load
February 2026
195 departures · 17,998 passengers
71.0%
Load
March 2026
189 departures · 17,805 passengers
74.9%
Load
April 2026
186 departures · 17,525 passengers
72.5%
Load
By direction
The DOT files each direction separately — they rarely match.
BOI → SMF
71.7% full
93 departures · 8,744 passengers
SMF → BOI
73.3% full
93 departures · 8,781 passengers
Nonstop BOI–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 Boise (BOI) from Sacramento (SMF)?
BOI to SMF is 437 miles (703 km / 380 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOI to SMF?
A nonstop covers the 437-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 BOI–SMF?
In April 2026, the Boeing 737-700 flew the largest share of departures (34.4%), followed by the Embraer E175 (32.3%).
What mileage do I earn flying BOI–SMF?
Distance-based programs credit off the 437-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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