Seattle (SEA) to Sacramento (SMF)
Flight time
≈ 2h 01m
Bearing
176° S
Seattle (SEA) to Sacramento (SMF) is 606 miles (975 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies SEA–SMF
US DOT T-100 · filed dataIn April 2026, SkyWest Airlines operated the most departures, one of 4 carriers flying nonstop SEA–SMF; the Embraer E175 was the most common aircraft at 39% of departures; flights ran 72% full.
Departures
740
April 2026
Seats
95,005
both directions
Passengers
67,958
both directions
Load factor
71.5%
passengers ÷ seats
Who flies SEA–SMF?
SkyWest Airlines operated the most nonstop SEA–SMF departures in April 2026 (292), one of 4 carriers on the route.
- OO
SkyWest Airlines
292 departures · 21,298 seats
Share of departures39.5%79.7%
Load
- AS
Alaska Airlines
277 departures · 47,072 seats
Share of departures37.4%70.4%
Load
- WN
Southwest Airlines
170 departures · 26,444 seats
Share of departures23.0%67.5%
Load
- DL
Delta Air Lines
1 departures · 191 seats
Share of departures0.1%0.0%
Load
What plane flies SEA–SMF?
In April 2026, the Embraer E175 flew 39% of SEA–SMF departures — more than any other aircraft type.
- Embraer E175
292 departures · 79.7% load
39.5% - Boeing 737-800
131 departures · 69.2% load
17.7% - Boeing 737-700
87 departures · 69.8% load
11.8% - Boeing 737-900ER
84 departures · 71.0% load
11.3% - Boeing 737 MAX 8
80 departures · 69.2% load
10.8% - Boeing 737 MAX 9
65 departures · 67.2% load
8.8% - Airbus A321
1 departures · 0.0% load
0.1%
How has SEA–SMF traffic changed?
Nonstop SEA–SMF departures fell from 833 in May 2025 to 740 in April 2026.
Monthly nonstop SEA–SMF traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
833 departures · 74,491 passengers
76.1%
Load
June 2025
885 departures · 85,544 passengers
78.4%
Load
July 2025
911 departures · 91,389 passengers
81.8%
Load
August 2025
851 departures · 87,291 passengers
85.0%
Load
September 2025
796 departures · 75,231 passengers
79.5%
Load
October 2025
798 departures · 70,976 passengers
76.8%
Load
November 2025
751 departures · 62,898 passengers
71.3%
Load
December 2025
684 departures · 65,112 passengers
82.6%
Load
January 2026
631 departures · 54,975 passengers
72.3%
Load
February 2026
606 departures · 56,402 passengers
75.3%
Load
March 2026
726 departures · 66,933 passengers
73.5%
Load
April 2026
740 departures · 67,958 passengers
71.5%
Load
By direction
The DOT files each direction separately — they rarely match.
SMF → SEA
70.0% full
371 departures · 33,697 passengers
SEA → SMF
73.2% full
369 departures · 34,261 passengers
Nonstop SEA–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 Seattle (SEA) from Sacramento (SMF)?
SEA to SMF is 606 miles (975 km / 526 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from SEA to SMF?
A nonstop covers the 606-mile great-circle distance in roughly 2h 01m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies SEA–SMF?
In April 2026, the Embraer E175 flew the largest share of departures (39.5%), followed by the Boeing 737-800 (17.7%).
What mileage do I earn flying SEA–SMF?
Distance-based programs credit off the 606-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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