Salt Lake City to St. Louis (SLC-STL): nonstop upgrade & award space

Delta Air Lines flies nonstop between Salt Lake City (SLC) and St. Louis (STL), roughly 20 times a week. With Delta Air Lines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks confirmed upgrade and award space on Delta Air Lines, on every SLC to STL departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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20
Nonstop flights a week
1,153 mi
Nonstop distance
Free
To get started

Salt Lake City to St. Louis flight schedule

Scheduled nonstop departures for SLC to STL, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Salt Lake City (SLC) to St. Louis (STL)
Date Flight Airline Departs SLC Arrives STL Duration Aircraft
DL 2455Delta Air Lines09:3513:302h 55m221
DL 2421Delta Air Lines14:1018:002h 50m223
DL 2666Delta Air Lines17:4021:312h 51m221
DL 2455Delta Air Lines09:3513:302h 55m221
DL 2421Delta Air Lines14:1018:002h 50m221
DL 2666Delta Air Lines17:4021:312h 51m221
DL 2455Delta Air Lines09:3513:302h 55m221
DL 2421Delta Air Lines14:1018:002h 50m221
DL 2666Delta Air Lines17:4021:312h 51m221
DL 2455Delta Air Lines09:3513:302h 55m221
DL 2666Delta Air Lines17:4021:312h 51m221
DL 2455Delta Air Lines09:3513:302h 55m221
DL 2421Delta Air Lines14:1018:002h 50m221
DL 2666Delta Air Lines20:5000:442h 54m221
DL 2455Delta Air Lines09:3513:302h 55m221
DL 1492Delta Air Lines13:4517:372h 52m221
DL 2666Delta Air Lines20:4000:342h 54m221
DL 2455Delta Air Lines09:3513:302h 55m221
DL 1492Delta Air Lines13:4517:372h 52m221
DL 2666Delta Air Lines20:5000:442h 54m221

Showing all 20 scheduled SLC to STL departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every SLC to STL date on the interactive map

Confirmed upgrade & award space on SLC to STL departures

2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Salt Lake City to St. Louis to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each SLC to STL 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 SLC to STL on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Salt Lake City to St. Louis nonstop

Carriers operating SLC to STL nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See SLC to STL on the interactive map →

Frequently asked questions about SLC to STL

How far is St. Louis from Salt Lake City?
SLC to STL covers about 1,153 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from SLC to STL?
Delta Air Lines is currently the only airline flying SLC to STL nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines.
How many flights a week are there from SLC to STL?
About 20 nonstop flights a week run between Salt Lake City and St. Louis in the current schedule, operated by Delta Air Lines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from SLC to STL depart?
Scheduled SLC to STL nonstops in the next 7 days with service leave between 09:35 and 20:50, local time at Salt Lake City. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on SLC to STL?
Open the SLC to STL route on the interactive map or the matrix to see confirmed upgrade and award space by date on Delta Air Lines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss SLC to STL upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

Get started free