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
Filed traffic dataIn July 2026, Alaska Airlines operated the most departures, one of 4 carriers flying nonstop SEA–SMF; the Embraer E175 was the most common aircraft at 38% of departures; flights ran 80% full.
Departures
875
July 2026
Seats
116,818
both directions
Passengers
93,862
both directions
Load factor
80.3%
RPM ÷ ASM
Who flies SEA–SMF?
Alaska Airlines operated the most nonstop SEA–SMF departures in July 2026 (324), one of 4 carriers on the route.
- AS
324 departures · 56,754 seats
Share of departures37.0%83.3%
Load
- OO
310 departures · 22,582 seats
Share of departures35.4%86.4%
Load
- WN
222 departures · 36,038 seats
Share of departures25.4%71.5%
Load
- QX
19 departures · 1,444 seats
Share of departures2.2%90.5%
Load
What plane flies SEA–SMF?
In July 2026, the Embraer E175 flew 38% of SEA–SMF departures — more than any other aircraft type.
- Embraer E175
329 departures · 86.7% load
37.6% - Boeing 737-900ER
146 departures · 82.0% load
16.7% - Boeing 737 MAX 9
124 departures · 84.7% load
14.2% - Boeing 737-800
117 departures · 70.4% load
13.4% - Boeing 737 MAX 8
85 departures · 71.4% load
9.7% - Boeing 737-700
74 departures · 84.2% load
8.5%
How has SEA–SMF traffic changed?
Nonstop SEA–SMF departures rose from 851 in August 2025 to 875 in July 2026.
Monthly nonstop SEA–SMF traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
793 departures · 76,604 passengers
78.3%
Load
June 2026
835 departures · 87,495 passengers
81.0%
Load
July 2026
875 departures · 93,862 passengers
80.3%
Load
By direction
Each direction is filed separately — they rarely match.
SMF → SEA
80.7% full
438 departures · 47,248 passengers
SEA → SMF
80.0% full
437 departures · 46,614 passengers
Nonstop SEA–SMF traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
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 July 2026, the Embraer E175 flew the largest share of departures (37.6%), followed by the Boeing 737-900ER (16.7%).
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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