Denver (DEN) to Atlanta (ATL) flights

Delta Air Lines, Frontier Airlines, Southwest Airlines, United Airlines fly nonstop from Denver International Airport to Hartsfield Jackson Atlanta International Airport, with about 116 flights a week in July 2026. The 1,199-mile flight takes about 2h 50m gate to gate.

From

DEN

Denver

Denver International Airport

ATL

Atlanta

Hartsfield Jackson Atlanta International Airport

Distance: 1,199 mi · 1,930 km
Flight time: 2h 50m
Airlines: 4
Seats filled: 84%

Flights a week, July 2026

5,537 flights and 851,222 passengers in 12 months

Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying DEN to ATL

Airline	Flights a week	Aircraft	Passengers (12 months)	Flight time
Delta Air Lines	56	Airbus A321, Boeing 737-900ER, Boeing 757-200	442,006	2h 48m
Frontier Airlines	21	Airbus A321, Airbus A320neo, Airbus A320-100/200	144,927	2h 59m
Southwest Airlines	20	Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7	147,725	2h 46m
United Airlines	19	Airbus A319, Airbus A320-100/200, Boeing 737-800	116,564	2h 56m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

DEN to ATL flight schedule

23 flight numbers flew this route in August 2026, 15 of them almost daily. The first usually leaves at 12:50am and the last at 11:59pm. Times are local and can change; check with the airline before you book.

Flight	Departs	Arrives	Days flown in August 2026	On time (12 months)
DL 302Delta Air Lines	12:50am	5:52am	18	91%
DL 341Delta Air Lines	6:00am	10:59am	31	94%
F9 3294Frontier Airlines	6:30am	11:39am	25	88%
DL 431Delta Air Lines	7:19am	12:15pm	31	94%
DL 2235Delta Air Lines	9:39am	2:35pm	27	86%
UA 2424United Airlines	10:00am	3:09pm	10	85%
UA 724United Airlines	10:01am	3:05pm	21	95%
F9 3600Frontier Airlines	10:43am	3:49pm	31	71%
DL 346Delta Air Lines	10:59am	3:59pm	31	79%
WN 479Southwest Airlines	11:05am	3:55pm	24	42%
WN 4092Southwest Airlines	11:10am	4:00pm	16	63%
DL 1752Delta Air Lines	12:00pm	5:02pm	4	n/a
DL 824Delta Air Lines	1:15pm	6:14pm	27	74%
UA 1671United Airlines	1:40pm	6:41pm	26	77%
WN 2145Southwest Airlines	2:40pm	7:30pm	20	25%
DL 957Delta Air Lines	2:54pm	7:56pm	31	84%
DL 840Delta Air Lines	4:33pm	9:52pm	31	81%
WN 3483Southwest Airlines	5:20pm	10:10pm	4	n/a
WN 4298Southwest Airlines	5:25pm	10:20pm	4	n/a
UA 1305United Airlines	5:58pm	10:59pm	28	71%
WN 1762Southwest Airlines	7:10pm	12:05am	8	n/a
WN 252Southwest Airlines	7:10pm	12:05am	4	n/a
F9 1450Frontier Airlines	11:59pm	5:21am	31	64%

Is DEN to ATL on time?

From September 2025 to August 2026, 79% of 5,603 flights arrived within 15 minutes of schedule and 0.9% were cancelled. Flights leaving around 7am were the most punctual (94%), those around 5pm the least (67%). Most delay time was caused by late-arriving aircraft (39%).

Airline	Flights	On time	Average delay	Cancelled
Delta Air Lines	2,807	86%	9 min	1.2%
Southwest Airlines	1,072	62%	21 min	0.8%
United Airlines	923	78%	14 min	0.3%
Frontier Airlines	801	76%	16 min	0.9%

Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.

On-time arrivals by departure time

Scheduled departure	Flights	On time
12am to 1am	346	91%
5am to 6am	196	95%
6am to 7am	335	89%
7am to 8am	402	94%
9am to 10am	273	78%
10am to 11am	934	80%
11am to 12pm	209	74%
12pm to 1pm	227	86%
1pm to 2pm	670	79%
2pm to 3pm	416	75%
3pm to 4pm	242	73%
4pm to 5pm	438	77%
5pm to 6pm	453	67%
7pm to 8pm	130	40%
11pm to 12am	178	64%

Flights by month

Month	Flights	Passengers
August 2025	490	75,589
September 2025	450	71,410
October 2025	473	74,661
November 2025	442	62,666
December 2025	455	67,950
January 2026	424	61,737
February 2026	413	61,689
March 2026	447	70,182
April 2026	440	63,923
May 2026	480	74,174
June 2026	513	82,629
July 2026	513	84,742

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.