--- title: "Atlanta to Colorado Springs flights: who flies ATL-COS" description: "Delta Air Lines flies nonstop from ATL to COS, about 14 flights a week. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/atl-cos" url: "https://2lnr.com/routes/atl-cos.md" date_modified: "2026-10-18T05:10:47Z" --- # Atlanta to Colorado Springs (ATL-COS): nonstop upgrade & award space Delta Air Lines flies nonstop between Atlanta (ATL) and Colorado Springs (COS), roughly 14 times a week. In the timetable below it flies as DL 971 and DL 2427, scheduled at 3h 10m to 3h 16m for the 1,182 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 24, 2026. See ATL to COS on the interactive map [Get started free](https://2lnr.com/login) 14 Flights a week, 4-week average 3h 10m to 3h 16m Scheduled flight time 1,182 mi Nonstop distance Free To get started ## Atlanta to Colorado Springs flight schedule Scheduled nonstop departures for ATL to COS starting October 24, 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 Atlanta (ATL) to Colorado Springs (COS) | Date | Flight | Airline | Departs ATL | Arrives COS | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sat, Oct 24 | DL 2427 | Delta Air Lines | 11:11 | 12:21 | 3h 10m | [Boeing 737-900](https://2lnr.com/seatmaps/dl/737-900.md) | | Sat, Oct 24 | DL 971 | Delta Air Lines | 19:05 | 20:16 | 3h 11m | [Boeing 737-800](https://2lnr.com/seatmaps/dl/737-800.md) | | Sun, Oct 25 | DL 2427 | Delta Air Lines | 11:20 | 12:30 | 3h 10m | Boeing 737-800 | | Sun, Oct 25 | DL 971 | Delta Air Lines | 19:05 | 20:16 | 3h 11m | Boeing 737-800 | | Mon, Oct 26 | DL 2427 | Delta Air Lines | 11:20 | 12:30 | 3h 10m | Boeing 737-800 | | Mon, Oct 26 | DL 971 | Delta Air Lines | 19:05 | 20:16 | 3h 11m | Boeing 737-800 | | Tue, Oct 27 | DL 2427 | Delta Air Lines | 11:20 | 12:30 | 3h 10m | Boeing 737-800 | | Tue, Oct 27 | DL 971 | Delta Air Lines | 19:05 | 20:16 | 3h 11m | Boeing 737-800 | | Wed, Oct 28 | DL 2427 | Delta Air Lines | 11:20 | 12:30 | 3h 10m | Boeing 737-800 | | Wed, Oct 28 | DL 971 | Delta Air Lines | 19:05 | 20:16 | 3h 11m | Boeing 737-800 | | Thu, Oct 29 | DL 2427 | Delta Air Lines | 11:20 | 12:30 | 3h 10m | Boeing 737-800 | | Thu, Oct 29 | DL 971 | Delta Air Lines | 19:05 | 20:16 | 3h 11m | Boeing 737-800 | | Fri, Oct 30 | DL 2427 | Delta Air Lines | 11:20 | 12:30 | 3h 10m | Boeing 737-800 | | Fri, Oct 30 | DL 971 | Delta Air Lines | 20:05 | 21:21 | 3h 16m | Boeing 737-900 | Showing all 14 scheduled ATL to COS departures across 7 days with service, starting October 24, 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 ATL to COS date on the interactive map ## Aircraft on the Atlanta to Colorado Springs nonstop Delta Air Lines flies the departures in the schedule table on this page with the [Boeing 737-800](https://2lnr.com/seatmaps/dl/737-800.md) and the [Boeing 737-900](https://2lnr.com/seatmaps/dl/737-900.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on ATL to COS departures 2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Atlanta to Colorado Springs 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 Atlanta to Colorado Springs 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 ATL to COS 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 ATL to COS on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Atlanta to Colorado Springs nonstop Carriers operating ATL to COS 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 ATL to COS on the interactive map → ## Frequently asked questions about ATL to COS **How long is the flight from Atlanta (ATL) to Colorado Springs (COS)?** Scheduled flight times from Atlanta (ATL) to Colorado Springs (COS) run from 3h 10m to 3h 16m across the departures in the schedule table on this page. The nonstop covers about 1,182 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from ATL to COS?** Delta Air Lines is currently the only airline flying ATL to COS nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines. **How many flights a week are there from ATL to COS?** About 14 nonstop flights a week run between Atlanta (ATL) and Colorado Springs (COS) 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 ATL to COS depart?** Scheduled ATL to COS nonstops in the next 7 days with service leave between 11:11 and 20:05, local time at Atlanta. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate ATL to COS nonstop?** In the schedule table on this page, ATL to COS nonstops fly as DL 971 and DL 2427 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 ATL to COS?** Open the ATL to COS 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 [COS to ATL upgrade and award space](https://2lnr.com/routes/cos-atl.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 Atlanta (ATL)](https://2lnr.com/routes/atl.md), or [every route from Colorado Springs (COS)](https://2lnr.com/routes/cos.md). Nonstops from Atlanta (ATL) to other airports within 150 miles of Colorado Springs (COS): - [Atlanta (ATL) to Denver (DEN)](https://2lnr.com/routes/atl-den.md), 73 miles from COS - [Atlanta (ATL) to Aspen (ASE)](https://2lnr.com/routes/atl-ase.md), 120 miles from COS - [Atlanta (ATL) to Eagle (EGE)](https://2lnr.com/routes/atl-ege.md), 132 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 ATL to COS 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)