Houston to Salt Lake City (IAH-SLC): Nonstop Upgrade & Award Space
United Airlines and Delta Air Lines fly nonstop between Houston (IAH) and Salt Lake City (SLC), roughly 44 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every IAH to SLC departure, so you know which flights have space before you book.
Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.
Confirmed upgrade & award space on every IAH to SLC departure
2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Houston to Salt Lake City to see which departures have real space, or watch the route and get alerted when space opens.
See real availability
Confirmed upgrade and award seats on each IAH to SLC departure, checked against live inventory so you know what is open before you book.
Set an alert
Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.
Plan on the map
See IAH to SLC on the interactive route map, with schedules, connections, and route statistics.
Airlines flying Houston to Salt Lake City nonstop
Carriers operating IAH to SLC nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.
- United Airlines
- Delta Air Lines
Frequently asked questions about IAH to SLC
How far is Salt Lake City from Houston?
Which airlines fly nonstop from IAH to SLC?
How many flights a week are there from IAH to SLC?
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Never miss IAH to SLC upgrade or award space
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