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
Filed traffic dataIn July 2026, Delta Air Lines operated the most departures, one of 3 carriers flying nonstop IAH–SLC; the Airbus A220-100 was the most common aircraft at 49% of departures; flights ran 87% full.
Departures
352
July 2026
Seats
40,480
both directions
Passengers
35,203
both directions
Load factor
87.0%
RPM ÷ ASM
Who flies IAH–SLC?
Delta Air Lines operated the most nonstop IAH–SLC departures in July 2026 (177), one of 3 carriers on the route.
- DL
177 departures · 19,496 seats
Share of departures50.3%87.7%
Load
- UA
113 departures · 16,584 seats
Share of departures32.1%85.5%
Load
- YV
62 departures · 4,400 seats
Share of departures17.6%89.0%
Load
What plane flies IAH–SLC?
In July 2026, the Airbus A220-100 flew 49% of IAH–SLC departures — more than any other aircraft type.
- Airbus A220-100
173 departures · 87.9% load
49.1% - Embraer E175
62 departures · 89.0% load
17.6% - Airbus A320
58 departures · 84.7% load
16.5% - Boeing 737-700
35 departures · 91.5% load
9.9% - Boeing 737-900ER
12 departures · 74.1% load
3.4% - Boeing 737-900
6 departures · 87.6% load
1.7% - Airbus A321
2 departures · 85.8% load
0.6% - Airbus A319
2 departures · 98.8% load
0.6% - Airbus A220-300
2 departures · 78.5% load
0.6%
How has IAH–SLC traffic changed?
Nonstop IAH–SLC departures rose from 347 in August 2025 to 352 in July 2026.
Monthly nonstop IAH–SLC traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
353 departures · 35,502 passengers
85.0%
Load
June 2026
342 departures · 35,187 passengers
87.2%
Load
July 2026
352 departures · 35,203 passengers
87.0%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → SLC
86.7% full
176 departures · 17,534 passengers
SLC → IAH
87.2% full
176 departures · 17,669 passengers
Nonstop IAH–SLC 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 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 July 2026, the Airbus A220-100 flew the largest share of departures (49.1%), followed by the Embraer E175 (17.6%).
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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