Denver (DEN) to Austin (AUS) flights
Southwest Airlines, United Airlines, SkyWest Airlines, Frontier Airlines fly nonstop from Denver International Airport to Austin Bergstrom International Airport, with about 119 flights a week in July 2026. The 775-mile flight takes about 2h 9m gate to gate.
- Distance
- 775 mi · 1,247 km
- Flight time
- 2h 9m
- Airlines
- 4
- Seats filled
- 75%
Airlines flying DEN to AUS
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 51 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 275,960 | 2h 4m |
| United Airlines | 40 | Boeing 737-800, Airbus A320-100/200, Airbus A319 | 240,090 | 2h 11m |
| SkyWest Airlines | 14 | Embraer E175, Bombardier CRJ700 | 27,151 | 2h 18m |
| Frontier Airlines | 14 | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 94,302 | 2h 11m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DEN to AUS flight schedule
24 flight numbers flew this route in August 2026, 11 of them almost daily. The first usually leaves at 5:25am and the last at 8:52pm. 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) |
|---|---|---|---|---|
| WN 1531Southwest Airlines | 5:25am | 8:30am | 12 | 100% |
| UA 456United Airlines | 8:00am | 11:16am | 28 | 93% |
| WN 1275Southwest Airlines | 8:20am | 11:35am | 28 | 82% |
| DL 3876Delta Air Lines · operated by SkyWest Airlines | 9:29am | 12:44pm | 31 | 83% |
| WN 153Southwest Airlines | 9:35am | 12:45pm | 16 | 100% |
| UA 1026United Airlines | 9:40am | 12:55pm | 29 | 82% |
| WN 1438Southwest Airlines | 11:00am | 2:10pm | 16 | 69% |
| WN 1440Southwest Airlines | 12:40pm | 3:45pm | 28 | 61% |
| UA 2270United Airlines | 1:50pm | 5:05pm | 30 | 80% |
| WN 4732Southwest Airlines | 3:50pm | 7:00pm | 16 | 44% |
| UA 1899United Airlines | 3:57pm | 7:12pm | 23 | 78% |
| F9 1816Frontier Airlines | 4:14pm | 7:30pm | 31 | 79% |
| WN 184Southwest Airlines | 4:30pm | 7:40pm | 12 | 50% |
| WN 1778Southwest Airlines | 5:15pm | 8:25pm | 4 | n/a |
| UA 1942United Airlines | 5:30pm | 8:44pm | 31 | 74% |
| WN 2513Southwest Airlines | 6:35pm | 9:50pm | 4 | n/a |
| WN 196Southwest Airlines | 6:40pm | 9:50pm | 12 | 18% |
| DL 3669Delta Air Lines · operated by SkyWest Airlines | 7:30pm | 10:51pm | 27 | 67% |
| WN 1445Southwest Airlines | 7:55pm | 11:05pm | 8 | n/a |
| F9 1860Frontier Airlines | 8:26pm | 11:41pm | 14 | 79% |
| UA 5869United Airlines · operated by SkyWest Airlines | 8:35pm | 11:59pm | 6 | n/a |
| UA 1943United Airlines | 8:40pm | 11:54pm | 25 | 65% |
| WN 197Southwest Airlines | 8:40pm | 11:50pm | 12 | 36% |
| F9 2890Frontier Airlines | 8:52pm | 12:07am | 17 | 64% |
Is DEN to AUS on time?
From September 2025 to August 2026, 76% of 5,486 flights arrived within 15 minutes of schedule and 0.5% were cancelled. Flights leaving around 8am were the most punctual (94%), those around 8pm the least (58%). Most delay time was caused by late-arriving aircraft (45%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 2,378 | 75% | 15 min | 0.7% |
| United Airlines | 1,913 | 80% | 14 min | 0.3% |
| Frontier Airlines | 607 | 71% | 20 min | 0.5% |
| Delta Air Lines | 588 | 77% | 21 min | 0.7% |
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 departure | Flights | On time, relative | On time |
|---|---|---|---|
| 5am to 6am | 115 | 95% | |
| 6am to 7am | 275 | 93% | |
| 7am to 8am | 175 | 95% | |
| 8am to 9am | 411 | 94% | |
| 9am to 10am | 558 | 84% | |
| 10am to 11am | 458 | 81% | |
| 11am to 12pm | 149 | 72% | |
| 12pm to 1pm | 141 | 69% | |
| 1pm to 2pm | 560 | 78% | |
| 2pm to 3pm | 115 | 75% | |
| 3pm to 4pm | 399 | 72% | |
| 4pm to 5pm | 177 | 74% | |
| 5pm to 6pm | 420 | 74% | |
| 6pm to 7pm | 370 | 65% | |
| 7pm to 8pm | 396 | 65% | |
| 8pm to 9pm | 616 | 58% | |
| 9pm to 10pm | 145 | 73% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 399 | 52,653 | |
| September 2025 | 379 | 50,416 | |
| October 2025 | 429 | 59,139 | |
| November 2025 | 423 | 48,887 | |
| December 2025 | 450 | 50,957 | |
| January 2026 | 416 | 46,562 | |
| February 2026 | 422 | 47,342 | |
| March 2026 | 518 | 61,837 | |
| April 2026 | 448 | 47,087 | |
| May 2026 | 466 | 51,375 | |
| June 2026 | 504 | 58,937 | |
| July 2026 | 527 | 62,755 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.