Austin (AUS) to Denver (DEN) flights

Southwest Airlines, United Airlines, SkyWest Airlines, Frontier Airlines fly nonstop from Austin Bergstrom International Airport to Denver International Airport, with about 121 flights a week in July 2026. The 775-mile flight takes about 2h 17m gate to gate.

From
AUS
Austin
Austin Bergstrom International Airport
To
DEN
Denver
Denver International Airport
Distance
775 mi · 1,247 km
Flight time
2h 17m
Airlines
4
Seats filled
77%
Flights a week, July 2026
5,375 flights and 648,690 passengers in 12 months
DENDENAUS
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying AUS to DEN

AirlineFlights a weekAircraftPassengers (12 months)Flight time
Southwest Airlines54Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7291,4672h 11m
United Airlines39Airbus A319, Airbus A320-100/200, Boeing 737-800233,5272h 19m
SkyWest Airlines14Embraer E17528,4142h 28m
Frontier Airlines14Airbus A321, Airbus A320neo, Airbus A320-100/20095,2822h 20m

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

AUS to DEN flight schedule

26 flight numbers flew this route in August 2026, 12 of them almost daily. The first usually leaves at 5:30am and the last at 9:00pm. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
UA 361United Airlines5:30am6:53am2697%
UA 5764United Airlines · operated by SkyWest Airlines5:30am7:03am5n/a
F9 1815Frontier Airlines6:30am7:49am3188%
WN 559Southwest Airlines6:55am8:10am12100%
WN 285Southwest Airlines7:00am8:15am14100%
DL 3876Delta Air Lines · operated by SkyWest Airlines7:26am8:49am3191%
UA 595United Airlines8:50am10:13am3189%
WN 169Southwest Airlines9:00am10:15am4n/a
WN 258Southwest Airlines9:00am10:15am2479%
WN 189Southwest Airlines9:20am10:35am8n/a
UA 779United Airlines11:04am12:27pm2893%
WN 459Southwest Airlines11:55am1:05pm1292%
UA 1541United Airlines12:55pm2:18pm2996%
F9 2047Frontier Airlines2:25pm3:54pm769%
WN 361Southwest Airlines2:45pm4:00pm1264%
UA 2447United Airlines3:08pm4:31pm3182%
WN 4777Southwest Airlines3:45pm5:15pm1650%
WN 333Southwest Airlines4:35pm6:00pm2467%
DL 3669Delta Air Lines · operated by SkyWest Airlines4:50pm6:15pm2763%
WN 1522Southwest Airlines5:10pm6:45pm4n/a
UA 439United Airlines6:01pm7:37pm2268%
WN 291Southwest Airlines6:25pm7:50pm881%
WN 4096Southwest Airlines6:30pm7:55pm1233%
WN 834Southwest Airlines6:50pm8:15pm4n/a
F9 1859Frontier Airlines8:15pm9:44pm2478%
WN 4223Southwest Airlines9:00pm10:20pm1656%

Is AUS to DEN on time?

From September 2025 to August 2026, 79% of 5,509 flights arrived within 15 minutes of schedule and 0.6% were cancelled. Flights leaving around 5am were the most punctual (95%), those around 5pm the least (60%). Most delay time was caused by late-arriving aircraft (41%).

AirlineFlightsOn timeAverage delayCancelled
Southwest Airlines2,40272%16 min0.6%
United Airlines1,91386%11 min0.7%
Frontier Airlines60683%13 min0.7%
Delta Air Lines58879%17 min0.7%

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 departureFlightsOn time, relativeOn time
5am to 6am324
95%
6am to 7am413
92%
7am to 8am415
92%
8am to 9am370
86%
9am to 10am238
88%
10am to 11am370
89%
11am to 12pm371
90%
12pm to 1pm363
89%
1pm to 2pm242
78%
2pm to 3pm301
73%
3pm to 4pm217
68%
4pm to 5pm443
70%
5pm to 6pm328
60%
6pm to 7pm593
60%
7pm to 8pm136
55%
8pm to 9pm201
66%
9pm to 10pm129
71%

Flights by month

MonthFlightsFlights, relativePassengers
August 2025393
50,210
September 2025375
48,676
October 2025430
57,386
November 2025427
50,017
December 2025449
54,795
January 2026412
44,085
February 2026420
47,736
March 2026515
62,075
April 2026446
49,190
May 2026466
55,559
June 2026508
63,896
July 2026534
65,065

Related

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