Atlanta (ATL) to Denver (DEN) flights: who flies it

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
Thu, Oct 22	DL 2235	Delta Air Lines	08:10	09:35	3h 25m	Airbus A321
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
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
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
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
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. United Airlines flies the Boeing 737 MAX 9, the Boeing 737-800, and the Airbus A320. Frontier Airlines flies the Airbus A321 and the Airbus A321neo family. 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.

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.