--- title: "Atlanta (ATL) to Denver (DEN) flights: who flies it" description: "Delta Air Lines, United Airlines and Frontier Airlines fly nonstop from ATL to DEN, about 106 flights a week. Upgrade and award space by date on 2LNR, next 14 days free." canonical: "https://2lnr.com/routes/atl-den" url: "https://2lnr.com/routes/atl-den.md" date_modified: "2026-10-18T05:10:47Z" --- # Atlanta to Denver (ATL-DEN): nonstop upgrade & award space Delta Air Lines, United Airlines, and Frontier Airlines fly nonstop between Atlanta (ATL) and Denver (DEN), roughly 106 times a week. The timetable below shows the nonstop scheduled at 3h 13m to 3h 33m for the 1,198 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 22, 2026. See ATL to DEN on the interactive map [Get started free](https://2lnr.com/login) 106 Flights a week, 4-week average 3h 13m to 3h 33m Scheduled flight time 1,198 mi Nonstop distance Free To get started ## Atlanta to Denver flight schedule Scheduled nonstop departures for ATL to DEN starting October 22, 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 Denver (DEN) | Date | Flight | Airline | Departs ATL | Arrives DEN | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | F9 1449 | Frontier Airlines | 06:45 | 08:06 | 3h 21m | [Airbus A321](https://2lnr.com/seatmaps/f9/a321.md) | | Thu, Oct 22 | DL 2235 | Delta Air Lines | 08:10 | 09:35 | 3h 25m | [Airbus A321](https://2lnr.com/seatmaps/dl/a321.md) | | Thu, Oct 22 | DL 346 | Delta Air Lines | 08:20 | 09:36 | 3h 16m | Airbus A321 | | Thu, Oct 22 | UA 340 | United Airlines | 08:45 | 10:08 | 3h 23m | [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md) | | Thu, Oct 22 | DL 706 | Delta Air Lines | 10:35 | 11:50 | 3h 15m | Airbus A321 | | Thu, Oct 22 | UA 1327 | United Airlines | 11:24 | 12:45 | 3h 21m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md) | | Thu, Oct 22 | DL 957 | Delta Air Lines | 12:15 | 13:29 | 3h 14m | Airbus A321 | | Thu, Oct 22 | DL 530 | Delta Air Lines | 14:00 | 15:13 | 3h 13m | Airbus A321 | | Thu, Oct 22 | UA 609 | United Airlines | 16:32 | 17:57 | 3h 25m | Boeing 737 MAX 9 | | Thu, Oct 22 | DL 519 | Delta Air Lines | 16:35 | 17:52 | 3h 17m | Airbus A321 | | Thu, Oct 22 | DL 746 | Delta Air Lines | 18:55 | 20:11 | 3h 16m | Airbus A321 | | Thu, Oct 22 | F9 3599 | Frontier Airlines | 19:58 | 21:31 | 3h 33m | [Airbus A321neo family](https://2lnr.com/seatmaps/f9/a321neo.md) | | Thu, Oct 22 | DL 493 | Delta Air Lines | 20:35 | 21:51 | 3h 16m | Airbus A321 | | Thu, Oct 22 | DL 956 | Delta Air Lines | 21:55 | 23:12 | 3h 17m | Airbus A321 | | Fri, Oct 23 | F9 1449 | Frontier Airlines | 06:45 | 08:06 | 3h 21m | Airbus A321 | | Fri, Oct 23 | DL 2235 | Delta Air Lines | 08:10 | 09:35 | 3h 25m | Airbus A321 | | Fri, Oct 23 | DL 346 | Delta Air Lines | 08:20 | 09:36 | 3h 16m | Airbus A321 | | Fri, Oct 23 | UA 340 | United Airlines | 08:45 | 10:08 | 3h 23m | Boeing 737-800 | | Fri, Oct 23 | DL 995 | Delta Air Lines | 10:30 | 11:54 | 3h 24m | Airbus A321 | | Fri, Oct 23 | DL 706 | Delta Air Lines | 10:35 | 11:50 | 3h 15m | Airbus A321 | | Fri, Oct 23 | UA 1327 | United Airlines | 11:24 | 12:45 | 3h 21m | Boeing 737 MAX 9 | | Fri, Oct 23 | DL 957 | Delta Air Lines | 12:15 | 13:29 | 3h 14m | Airbus A321 | | Fri, Oct 23 | DL 530 | Delta Air Lines | 14:00 | 15:13 | 3h 13m | Airbus A321 | | Fri, Oct 23 | UA 609 | United Airlines | 16:32 | 17:57 | 3h 25m | Boeing 737 MAX 9 | | Fri, Oct 23 | DL 519 | Delta Air Lines | 16:35 | 17:52 | 3h 17m | Airbus A321 | | Fri, Oct 23 | DL 746 | Delta Air Lines | 18:55 | 20:11 | 3h 16m | Airbus A321 | | Fri, Oct 23 | F9 3599 | Frontier Airlines | 19:58 | 21:31 | 3h 33m | Airbus A321neo family | | Fri, Oct 23 | DL 493 | Delta Air Lines | 20:35 | 21:51 | 3h 16m | Airbus A321 | | Fri, Oct 23 | DL 956 | Delta Air Lines | 21:55 | 23:12 | 3h 17m | Airbus A321 | | Sat, Oct 24 | F9 1449 | Frontier Airlines | 06:45 | 08:06 | 3h 21m | Airbus A321 | | Sat, Oct 24 | DL 2235 | Delta Air Lines | 08:10 | 09:35 | 3h 25m | Airbus A321 | | Sat, Oct 24 | DL 346 | Delta Air Lines | 08:35 | 09:50 | 3h 15m | Airbus A321 | | Sat, Oct 24 | UA 340 | United Airlines | 08:45 | 10:08 | 3h 23m | Boeing 737-800 | | Sat, Oct 24 | DL 995 | Delta Air Lines | 10:30 | 11:54 | 3h 24m | Airbus A321 | | Sat, Oct 24 | UA 1327 | United Airlines | 11:19 | 12:45 | 3h 26m | [Airbus A320](https://2lnr.com/seatmaps/ua/a320.md) | | Sat, Oct 24 | DL 957 | Delta Air Lines | 11:59 | 13:12 | 3h 13m | Airbus A321 | | Sat, Oct 24 | DL 530 | Delta Air Lines | 13:55 | 15:09 | 3h 14m | Airbus A321 | | Sat, Oct 24 | UA 609 | United Airlines | 16:32 | 17:57 | 3h 25m | Boeing 737 MAX 9 | | Sat, Oct 24 | DL 519 | Delta Air Lines | 16:35 | 17:52 | 3h 17m | Airbus A321 | | Sat, Oct 24 | DL 746 | Delta Air Lines | 18:55 | 20:11 | 3h 16m | Airbus A321 | Showing the first 40 of 105 scheduled ATL to DEN departures across 7 days with service, starting October 22, 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 ATL to DEN date on the interactive map ## Aircraft on the Atlanta to Denver nonstop In the schedule table on this page, Delta Air Lines flies the [Airbus A321](https://2lnr.com/seatmaps/dl/a321.md). United Airlines flies the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md), the [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md), and the [Airbus A320](https://2lnr.com/seatmaps/ua/a320.md). Frontier Airlines flies the [Airbus A321](https://2lnr.com/seatmaps/f9/a321.md) and 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 ATL 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 Atlanta 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 Atlanta 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 ATL 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 ATL to DEN on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Atlanta to Denver nonstop Carriers operating ATL to DEN 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) - [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\ [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md) - [Frontier Airlines (F9) route map](https://2lnr.com/routes/airlines/f9.md)\ [The aircraft F9 flies](https://2lnr.com/seatmaps/f9.md) See ATL to DEN on the interactive map → ## Frequently asked questions about ATL to DEN **How long is the flight from Atlanta (ATL) to Denver (DEN)?** Scheduled flight times from Atlanta (ATL) to Denver (DEN) run from 3h 13m to 3h 33m across the departures in the schedule table on this page. The nonstop covers about 1,198 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from ATL to DEN?** Delta Air Lines, United Airlines, and Frontier Airlines fly ATL to DEN nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines. **How many flights a week are there from ATL to DEN?** About 106 nonstop flights a week run between Atlanta (ATL) and Denver (DEN) in the current schedule, operated by Delta Air Lines, United Airlines, and Frontier Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from ATL to DEN depart?** Scheduled ATL to DEN nonstops in the next 7 days with service leave between 06:45 and 21:55, 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 DEN nonstop?** The schedule table on this page lists 15 flight numbers for ATL to DEN nonstops, including DL 346, DL 530, DL 957, and DL 2235 on Delta Air Lines; UA 340, UA 609, and UA 1327 on United Airlines; and F9 1449 on Frontier Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on ATL to DEN?** Open the ATL 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 ATL upgrade and award space](https://2lnr.com/routes/den-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 Denver (DEN)](https://2lnr.com/routes/den.md). Nonstops to Denver (DEN) from other airports within 150 miles of Atlanta (ATL): - [Chattanooga (CHA) to Denver (DEN)](https://2lnr.com/routes/cha-den.md), 106 miles from ATL - [Birmingham (BHM) to Denver (DEN)](https://2lnr.com/routes/bhm-den.md), 134 miles from ATL Nonstops from Atlanta (ATL) to other airports within 150 miles of Denver (DEN): - [Atlanta (ATL) to Colorado Springs (COS)](https://2lnr.com/routes/atl-cos.md), 73 miles from DEN - [Atlanta (ATL) to Eagle (EGE)](https://2lnr.com/routes/atl-ege.md), 119 miles from DEN - [Atlanta (ATL) to Aspen (ASE)](https://2lnr.com/routes/atl-ase.md), 124 miles from DEN - [Atlanta (ATL) to Hayden (HDN)](https://2lnr.com/routes/atl-hdn.md), 141 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 ATL 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. 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