Sacramento (SMF) to St Louis (STL)
Flight time
≈ 4h 09m
Bearing
80° E
Sacramento (SMF) to St Louis (STL) is 1,675 miles (2,695 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies SMF–STL
Filed traffic dataIn May 2026, Southwest Airlines was the only carrier flying nonstop SMF–STL; the Boeing 737 MAX 8 was the most common aircraft at 47% of departures; flights ran 92% full.
Departures
62
May 2026
Seats
10,432
both directions
Passengers
9,646
both directions
Load factor
92.5%
RPM ÷ ASM
Who flies SMF–STL?
Southwest Airlines was the only carrier to fly nonstop SMF–STL in May 2026 (62 departures).
- WN
62 departures · 10,432 seats
Share of departures100.0%92.5%
Load
What plane flies SMF–STL?
In May 2026, the Boeing 737 MAX 8 flew 47% of SMF–STL departures — more than any other aircraft type.
- Boeing 737 MAX 8
29 departures · 91.9% load
46.8% - Boeing 737-800
22 departures · 94.2% load
35.5% - Boeing 737-700
11 departures · 90.0% load
17.7%
How has SMF–STL traffic changed?
Nonstop SMF–STL departures rose from 60 in June 2025 to 62 in May 2026.
Monthly nonstop SMF–STL traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
60 departures · 8,563 passengers
91.3%
Load
July 2025
65 departures · 9,288 passengers
92.3%
Load
August 2025
63 departures · 9,002 passengers
83.8%
Load
September 2025
61 departures · 8,962 passengers
85.8%
Load
October 2025
62 departures · 9,156 passengers
86.7%
Load
November 2025
58 departures · 8,568 passengers
85.8%
Load
December 2025
62 departures · 8,929 passengers
83.0%
Load
January 2026
20 departures · 2,880 passengers
82.3%
Load
February 2026
36 departures · 4,997 passengers
84.4%
Load
March 2026
58 departures · 8,416 passengers
85.5%
Load
April 2026
60 departures · 8,886 passengers
86.8%
Load
May 2026
62 departures · 9,646 passengers
92.5%
Load
By direction
Each direction is filed separately — they rarely match.
SMF → STL
92.7% full
31 departures · 4,817 passengers
STL → SMF
92.2% full
31 departures · 4,829 passengers
Nonstop SMF–STL traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Sacramento (SMF) from St Louis (STL)?
SMF to STL is 1,675 miles (2,695 km / 1,455 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from SMF to STL?
A nonstop covers the 1,675-mile great-circle distance in roughly 4h 09m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies SMF–STL?
In May 2026, the Boeing 737 MAX 8 flew the largest share of departures (46.8%), followed by the Boeing 737-800 (35.5%).
What mileage do I earn flying SMF–STL?
Distance-based programs credit off the 1,675-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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