Houston (IAH) to Salt Lake City (SLC)
Flight time
≈ 3h 11m
Bearing
313° NW
Houston (IAH) to Salt Lake City (SLC) is 1,195 miles (1,923 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAH–SLC
US DOT T-100 · filed dataIn April 2026, Delta Air Lines operated the most departures, one of 4 carriers flying nonstop IAH–SLC; the Airbus A220-100 was the most common aircraft at 35% of departures; flights ran 78% full.
Departures
350
April 2026
Seats
43,810
both directions
Passengers
34,349
both directions
Load factor
78.4%
passengers ÷ seats
Who flies IAH–SLC?
Delta Air Lines operated the most nonstop IAH–SLC departures in April 2026 (170), one of 4 carriers on the route.
- DL
Delta Air Lines
170 departures · 19,602 seats
Share of departures48.6%82.6%
Load
- UA
United Airlines
114 departures · 19,486 seats
Share of departures32.6%74.7%
Load
- YV
Mesa Airlines
63 departures · 4,500 seats
Share of departures18.0%75.8%
Load
- OO
SkyWest Airlines
3 departures · 222 seats
Share of departures0.9%79.3%
Load
What plane flies IAH–SLC?
In April 2026, the Airbus A220-100 flew 35% of IAH–SLC departures — more than any other aircraft type.
- Airbus A220-100
124 departures · 83.7% load
35.4% - Embraer E175
66 departures · 76.0% load
18.9% - Boeing 737 MAX 9
46 departures · 75.6% load
13.1% - Airbus A220-300
42 departures · 79.6% load
12.0% - Boeing 737-800
41 departures · 76.5% load
11.7% - Airbus A320
11 departures · 84.2% load
3.1% - Boeing 737-900ER
8 departures · 66.7% load
2.3% - Boeing 737 MAX 8
6 departures · 60.4% load
1.7% - Boeing 737-900
4 departures · 70.5% load
1.1% - Boeing 737-700
2 departures · 81.0% load
0.6%
How has IAH–SLC traffic changed?
Nonstop IAH–SLC departures fell from 356 in May 2025 to 350 in April 2026.
Monthly nonstop IAH–SLC traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
356 departures · 37,603 passengers
83.7%
Load
June 2025
343 departures · 38,693 passengers
87.8%
Load
July 2025
358 departures · 38,409 passengers
85.3%
Load
August 2025
347 departures · 35,787 passengers
76.9%
Load
September 2025
336 departures · 35,403 passengers
77.6%
Load
October 2025
353 departures · 36,032 passengers
81.9%
Load
November 2025
308 departures · 29,954 passengers
76.3%
Load
December 2025
414 departures · 42,786 passengers
81.8%
Load
January 2026
396 departures · 39,587 passengers
74.4%
Load
February 2026
369 departures · 38,908 passengers
82.5%
Load
March 2026
420 departures · 42,060 passengers
81.0%
Load
April 2026
350 departures · 34,349 passengers
78.4%
Load
By direction
The DOT files each direction separately — they rarely match.
IAH → SLC
79.0% full
175 departures · 17,269 passengers
SLC → IAH
77.8% full
175 departures · 17,080 passengers
Nonstop IAH–SLC 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 Houston (IAH) from Salt Lake City (SLC)?
IAH to SLC is 1,195 miles (1,923 km / 1,038 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAH to SLC?
A nonstop covers the 1,195-mile great-circle distance in roughly 3h 11m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAH–SLC?
In April 2026, the Airbus A220-100 flew the largest share of departures (35.4%), followed by the Embraer E175 (18.9%).
What mileage do I earn flying IAH–SLC?
Distance-based programs credit off the 1,195-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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