--- title: "Salt Lake City to Denver flights: who flies SLC-DEN" description: "Delta Air Lines, United Airlines and Frontier Airlines fly nonstop from SLC to DEN, about 109 flights a week. Upgrade and award space by date on 2LNR, next 14 days free." canonical: "https://2lnr.com/routes/slc-den" url: "https://2lnr.com/routes/slc-den.md" date_modified: "2026-10-18T05:10:47Z" --- # Salt Lake City to Denver (SLC-DEN): nonstop upgrade & award space United Airlines, Delta Air Lines, and Frontier Airlines fly nonstop between Salt Lake City (SLC) and Denver (DEN), roughly 109 times a week. The timetable below shows the nonstop scheduled at 1h 31m to 2h 6m for the 389 miles. 2LNR checks confirmed upgrade and award space on Delta Air Lines flights on this route, so you can see which departures have space before you book. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See SLC to DEN on the interactive map [Get started free](https://2lnr.com/login) 109 Flights a week, 4-week average 1h 31m to 2h 6m Scheduled flight time 389 mi Nonstop distance Free To get started ## Salt Lake City to Denver flight schedule Scheduled nonstop departures for SLC to DEN starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Salt Lake City (SLC) to Denver (DEN) | Date | Flight | Airline | Departs SLC | Arrives DEN | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | UA 5683 | United Airlines | 05:25 | 07:00 | 1h 35m | [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md) | | Fri, Oct 23 | UA 1232 | United Airlines | 07:00 | 08:37 | 1h 37m | [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md) | | Fri, Oct 23 | F9 3862 | Frontier Airlines | 08:00 | 09:41 | 1h 41m | [Airbus A321neo family](https://2lnr.com/seatmaps/f9/a321neo.md) | | Fri, Oct 23 | DL 1317 | Delta Air Lines | 08:10 | 09:44 | 1h 34m | [Boeing 737-800](https://2lnr.com/seatmaps/dl/737-800.md) | | Fri, Oct 23 | UA 5642 | United Airlines | 08:15 | 10:21 | 2h 6m | Embraer E175 | | Fri, Oct 23 | DL 1553 | Delta Air Lines | 10:19 | 11:56 | 1h 37m | [Airbus A220-100](https://2lnr.com/seatmaps/dl/a220-100.md) | | Fri, Oct 23 | UA 2090 | United Airlines | 10:40 | 12:28 | 1h 48m | Boeing 737-800 | | Fri, Oct 23 | F9 3220 | Frontier Airlines | 11:36 | 13:15 | 1h 39m | Airbus A321neo family | | Fri, Oct 23 | UA 4720 | United Airlines | 13:08 | 14:55 | 1h 47m | Embraer E175 | | Fri, Oct 23 | UA 1662 | United Airlines | 14:34 | 16:15 | 1h 41m | [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md) | | Fri, Oct 23 | DL 1623 | Delta Air Lines | 15:25 | 16:56 | 1h 31m | Airbus A220-100 | | Fri, Oct 23 | F9 4236 | Frontier Airlines | 16:16 | 17:49 | 1h 33m | Airbus A321neo family | | Fri, Oct 23 | UA 5752 | United Airlines | 17:58 | 19:45 | 1h 47m | Embraer E175 | | Fri, Oct 23 | DL 1586 | Delta Air Lines | 18:00 | 19:34 | 1h 34m | Airbus A220-100 | | Fri, Oct 23 | UA 1955 | United Airlines | 19:11 | 20:52 | 1h 41m | [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md) | | Fri, Oct 23 | DL 1667 | Delta Air Lines | 21:05 | 22:40 | 1h 35m | [Airbus A319](https://2lnr.com/seatmaps/dl/a319.md) | | Sat, Oct 24 | UA 5683 | United Airlines | 05:25 | 07:00 | 1h 35m | Embraer E175 | | Sat, Oct 24 | UA 1232 | United Airlines | 07:00 | 08:37 | 1h 37m | Boeing 737-800 | | Sat, Oct 24 | F9 3862 | Frontier Airlines | 08:00 | 09:41 | 1h 41m | Airbus A321neo family | | Sat, Oct 24 | DL 1317 | Delta Air Lines | 08:10 | 09:45 | 1h 35m | [Airbus A220-300](https://2lnr.com/seatmaps/dl/a220-300.md) | | Sat, Oct 24 | UA 5642 | United Airlines | 08:15 | 10:21 | 2h 6m | Embraer E175 | | Sat, Oct 24 | DL 1553 | Delta Air Lines | 10:19 | 11:56 | 1h 37m | Airbus A220-100 | | Sat, Oct 24 | UA 2090 | United Airlines | 10:36 | 12:24 | 1h 48m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md) | | Sat, Oct 24 | F9 3220 | Frontier Airlines | 11:36 | 13:15 | 1h 39m | Airbus A321neo family | | Sat, Oct 24 | UA 4720 | United Airlines | 13:08 | 14:55 | 1h 47m | Embraer E175 | | Sat, Oct 24 | UA 1662 | United Airlines | 14:34 | 16:15 | 1h 41m | Boeing 737-900 | | Sat, Oct 24 | DL 1623 | Delta Air Lines | 15:25 | 16:56 | 1h 31m | Airbus A220-100 | | Sat, Oct 24 | F9 4236 | Frontier Airlines | 16:16 | 17:49 | 1h 33m | Airbus A321neo family | | Sat, Oct 24 | UA 1955 | United Airlines | 17:55 | 19:36 | 1h 41m | Airbus A319 | | Sat, Oct 24 | DL 1586 | Delta Air Lines | 18:00 | 19:34 | 1h 34m | Airbus A220-100 | | Sun, Oct 25 | UA 5683 | United Airlines | 05:25 | 07:00 | 1h 35m | Embraer E175 | | Sun, Oct 25 | UA 1232 | United Airlines | 07:00 | 08:37 | 1h 37m | Boeing 737-800 | | Sun, Oct 25 | F9 3862 | Frontier Airlines | 08:00 | 09:41 | 1h 41m | Airbus A321neo family | | Sun, Oct 25 | DL 1317 | Delta Air Lines | 08:10 | 09:44 | 1h 34m | Boeing 737-800 | | Sun, Oct 25 | UA 5218 | United Airlines | 08:21 | 10:20 | 1h 59m | Embraer E175 | | Sun, Oct 25 | DL 1553 | Delta Air Lines | 10:19 | 11:56 | 1h 37m | Airbus A220-100 | | Sun, Oct 25 | UA 2090 | United Airlines | 10:40 | 12:28 | 1h 48m | Boeing 737-800 | | Sun, Oct 25 | UA 5699 | United Airlines | 10:45 | 12:24 | 1h 39m | Embraer E175 | | Sun, Oct 25 | UA 5858 | United Airlines | 11:00 | 12:37 | 1h 37m | Embraer E175 | | Sun, Oct 25 | UA 4720 | United Airlines | 13:08 | 14:55 | 1h 47m | Embraer E175 | Showing the first 40 of 110 scheduled SLC to DEN departures across 7 days with service, starting October 23, 2026. Every remaining date is 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 hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every SLC to DEN date on the interactive map ## Aircraft on the Salt Lake City to Denver nonstop In the schedule table on this page, United Airlines flies the [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md), the [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md), the [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md), the [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md), and the [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md). Delta Air Lines flies the [Airbus A220-100](https://2lnr.com/seatmaps/dl/a220-100.md), the [Boeing 737-800](https://2lnr.com/seatmaps/dl/737-800.md), the [Airbus A319](https://2lnr.com/seatmaps/dl/a319.md), and the [Airbus A220-300](https://2lnr.com/seatmaps/dl/a220-300.md). Frontier Airlines flies the [Airbus A321neo family](https://2lnr.com/seatmaps/f9/a321neo.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on SLC to DEN 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 Denver to see which departures have space, the next 14 days free on every product and the full horizon on Pro. Delta Air Lines award space was open on all 14 Salt Lake City to Denver departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026. ### See real availability Confirmed upgrade or award seats by date on the SLC to DEN departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See SLC to DEN on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Salt Lake City to Denver nonstop Carriers operating SLC to DEN nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\ [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md) - [Delta Air Lines (DL) route map](https://2lnr.com/routes/airlines/dl.md)\ [The aircraft DL flies](https://2lnr.com/seatmaps/dl.md) - [Frontier Airlines (F9) route map](https://2lnr.com/routes/airlines/f9.md)\ [The aircraft F9 flies](https://2lnr.com/seatmaps/f9.md) See SLC to DEN on the interactive map → ## Frequently asked questions about SLC to DEN **How long is the flight from Salt Lake City (SLC) to Denver (DEN)?** Scheduled flight times from Salt Lake City (SLC) to Denver (DEN) run from 1h 31m to 2h 6m across the departures in the schedule table on this page. The nonstop covers about 389 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from SLC to DEN?** United Airlines, Delta Air Lines, and Frontier Airlines fly SLC to DEN nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines. **How many flights a week are there from SLC to DEN?** About 109 nonstop flights a week run between Salt Lake City (SLC) and Denver (DEN) in the current schedule, operated by United Airlines, Delta Air Lines, and Frontier Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from SLC to DEN depart?** Scheduled SLC to DEN nonstops in the next 7 days with service leave between 05:25 and 21:05, local time at Salt Lake City. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate SLC to DEN nonstop?** The schedule table on this page lists 19 flight numbers for SLC to DEN nonstops, including UA 1232, UA 2090, UA 4720, UA 5642, and UA 5683 on United Airlines; DL 1317 and DL 1553 on Delta Air Lines; and F9 3862 on Frontier Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on SLC to DEN?** Open the SLC to DEN 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. Flying the other way? See [DEN to SLC upgrade and award space](https://2lnr.com/routes/den-slc.md). Award seats rather than schedules? See [Delta Air Lines award availability](https://2lnr.com/awards/dl.md). Looking beyond this route? See [every route from Salt Lake City (SLC)](https://2lnr.com/routes/slc.md), or [every route from Denver (DEN)](https://2lnr.com/routes/den.md). Nonstops to Denver (DEN) from other airports within 150 miles of Salt Lake City (SLC): - [Vernal (VEL) to Denver (DEN)](https://2lnr.com/routes/vel-den.md), 132 miles from SLC Nonstops from Salt Lake City (SLC) to other airports within 150 miles of Denver (DEN): - [Salt Lake City (SLC) to Colorado Springs (COS)](https://2lnr.com/routes/slc-cos.md), 73 miles from DEN Distances are great-circle between the airports, not driving distance. - [How Delta upgrades clear](https://2lnr.com/about/dl/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss SLC to DEN upgrade or award space See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)