Houston (IAH) to Sacramento (SMF)
Flight time
≈ 4h 01m
Bearing
299° NW
Houston (IAH) to Sacramento (SMF) is 1,607 miles (2,586 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAH–SMF
Filed traffic dataIn June 2026, United Airlines was the only carrier flying nonstop IAH–SMF; the Boeing 737-900 was the most common aircraft at 90% of departures; flights ran 88% full.
Departures
120
June 2026
Seats
21,454
both directions
Passengers
18,914
both directions
Load factor
88.2%
RPM ÷ ASM
Who flies IAH–SMF?
United Airlines was the only carrier to fly nonstop IAH–SMF in June 2026 (120 departures).
- UA
120 departures · 21,454 seats
Share of departures100.0%88.2%
Load
What plane flies IAH–SMF?
In June 2026, the Boeing 737-900 flew 90% of IAH–SMF departures — more than any other aircraft type.
- Boeing 737-900
108 departures · 88.6% load
90.0% - Boeing 737 MAX 9
6 departures · 76.9% load
5.0% - Boeing 737-900ER
4 departures · 89.7% load
3.3% - Boeing 737 MAX 8
2 departures · 96.4% load
1.7%
How has IAH–SMF traffic changed?
Nonstop IAH–SMF departures fell from 122 in July 2025 to 120 in June 2026.
Monthly nonstop IAH–SMF traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
122 departures · 19,290 passengers
88.4%
Load
August 2025
119 departures · 15,487 passengers
78.8%
Load
September 2025
117 departures · 14,556 passengers
79.1%
Load
October 2025
109 departures · 16,232 passengers
85.8%
Load
November 2025
120 departures · 17,612 passengers
86.3%
Load
December 2025
90 departures · 13,618 passengers
88.8%
Load
January 2026
106 departures · 13,805 passengers
78.6%
Load
February 2026
102 departures · 13,959 passengers
85.7%
Load
March 2026
108 departures · 14,484 passengers
84.4%
Load
April 2026
112 departures · 16,218 passengers
86.3%
Load
May 2026
124 departures · 18,119 passengers
84.3%
Load
June 2026
120 departures · 18,914 passengers
88.2%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → SMF
86.1% full
60 departures · 9,234 passengers
SMF → IAH
90.2% full
60 departures · 9,680 passengers
Nonstop IAH–SMF traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Houston (IAH) from Sacramento (SMF)?
IAH to SMF is 1,607 miles (2,586 km / 1,396 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAH to SMF?
A nonstop covers the 1,607-mile great-circle distance in roughly 4h 01m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAH–SMF?
In June 2026, the Boeing 737-900 flew the largest share of departures (90.0%), followed by the Boeing 737 MAX 9 (5.0%).
What mileage do I earn flying IAH–SMF?
Distance-based programs credit off the 1,607-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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