--- title: "COS to SLC flights: who flies it, and when" description: "Delta Air Lines flies nonstop from COS to SLC, about 14 flights a week, covering 410 miles. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/cos-slc" url: "https://2lnr.com/routes/cos-slc.md" date_modified: "2026-10-18T05:10:47Z" --- # Colorado Springs to Salt Lake City (COS-SLC): nonstop upgrade & award space Delta Air Lines flies nonstop between Colorado Springs (COS) and Salt Lake City (SLC), roughly 14 times a week. In the timetable below it flies as DL 3940 and DL 4449, scheduled at 1h 53m to 1h 58m for the 410 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 21, 2026. See COS to SLC on the interactive map [Get started free](https://2lnr.com/login) 14 Flights a week, 4-week average 1h 53m to 1h 58m Scheduled flight time 410 mi Nonstop distance Free To get started ## Colorado Springs to Salt Lake City flight schedule Scheduled nonstop departures for COS to SLC starting October 21, 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 Colorado Springs (COS) to Salt Lake City (SLC) | Date | Flight | Airline | Departs COS | Arrives SLC | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Wed, Oct 21 | DL 3940 | Delta Air Lines | 08:17 | 10:15 | 1h 58m | [Embraer E175](https://2lnr.com/seatmaps/dl/e175.md) | | Wed, Oct 21 | DL 4449 | Delta Air Lines | 17:55 | 19:52 | 1h 57m | Embraer E175 | | Thu, Oct 22 | DL 3940 | Delta Air Lines | 08:17 | 10:15 | 1h 58m | Embraer E175 | | Thu, Oct 22 | DL 4449 | Delta Air Lines | 18:07 | 20:00 | 1h 53m | Embraer E175 | | Fri, Oct 23 | DL 3940 | Delta Air Lines | 08:17 | 10:15 | 1h 58m | Embraer E175 | | Fri, Oct 23 | DL 4449 | Delta Air Lines | 18:07 | 20:00 | 1h 53m | Embraer E175 | | Sat, Oct 24 | DL 3940 | Delta Air Lines | 08:17 | 10:15 | 1h 58m | Embraer E175 | | Sat, Oct 24 | DL 4449 | Delta Air Lines | 18:07 | 20:00 | 1h 53m | Embraer E175 | | Sun, Oct 25 | DL 3940 | Delta Air Lines | 08:17 | 10:15 | 1h 58m | Embraer E175 | | Sun, Oct 25 | DL 4449 | Delta Air Lines | 18:07 | 20:00 | 1h 53m | Embraer E175 | | Mon, Oct 26 | DL 3940 | Delta Air Lines | 08:17 | 10:15 | 1h 58m | Embraer E175 | | Mon, Oct 26 | DL 4449 | Delta Air Lines | 18:07 | 20:00 | 1h 53m | Embraer E175 | | Tue, Oct 27 | DL 3940 | Delta Air Lines | 08:17 | 10:15 | 1h 58m | Embraer E175 | | Tue, Oct 27 | DL 4449 | Delta Air Lines | 18:07 | 20:00 | 1h 53m | Embraer E175 | Showing all 14 scheduled COS to SLC departures across 7 days with service, starting October 21, 2026. 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 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 COS to SLC date on the interactive map ## Aircraft on the Colorado Springs to Salt Lake City nonstop Delta Air Lines flies the [Embraer E175](https://2lnr.com/seatmaps/dl/e175.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on COS to SLC departures 2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Colorado Springs to Salt Lake City 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 Colorado Springs to Salt Lake City 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 COS to SLC 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 COS to SLC on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Colorado Springs to Salt Lake City nonstop Carriers operating COS to SLC nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [Delta Air Lines (DL) route map](https://2lnr.com/routes/airlines/dl.md)\ [The aircraft DL flies](https://2lnr.com/seatmaps/dl.md) See COS to SLC on the interactive map → ## Frequently asked questions about COS to SLC **How long is the flight from Colorado Springs (COS) to Salt Lake City (SLC)?** Scheduled flight times from Colorado Springs (COS) to Salt Lake City (SLC) run from 1h 53m to 1h 58m across the departures in the schedule table on this page. The nonstop covers about 410 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from COS to SLC?** Delta Air Lines is currently the only airline flying COS to SLC nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines. **How many flights a week are there from COS to SLC?** About 14 nonstop flights a week run between Colorado Springs (COS) and Salt Lake City (SLC) 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 COS to SLC depart?** Scheduled COS to SLC nonstops in the next 7 days with service leave between 08:17 and 18:07, local time at Colorado Springs. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate COS to SLC nonstop?** In the schedule table on this page, COS to SLC nonstops fly as DL 3940 and DL 4449 on Delta Air Lines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on COS to SLC?** Open the COS to SLC 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 [SLC to COS upgrade and award space](https://2lnr.com/routes/slc-cos.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 Colorado Springs (COS)](https://2lnr.com/routes/cos.md), or [every route from Salt Lake City (SLC)](https://2lnr.com/routes/slc.md). Nonstops to Salt Lake City (SLC) from other airports within 150 miles of Colorado Springs (COS): - [Denver (DEN) to Salt Lake City (SLC)](https://2lnr.com/routes/den-slc.md), 73 miles from COS 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 COS to SLC 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)