Route Reliability
Austin → Denver
AUS–DEN · 775 miles · Austin–Bergstrom International Airport to Denver International Airport
- 79%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 0.8%
- Cancelled
- 5,231
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Frontier Airlines86%521 flights
- 2.Delta Air Lines83%408 flights
- 3.United Airlines81%1,955 flights
- 4.Southwest Airlines74%2,347 flights
What the data says
Morning-you made the right choice.
AUS–DEN flights departing between 3–6 AM arrived on time 95% of the time, versus 60% between 6–9 PM.
Saturday has been the better bet.
A small edge: 83% on time on Saturdays against 76% on Thursdays.
Frontier Airlines runs this route best.
Frontier Airlines arrived on time 86% of the time on this route; Southwest Airlines managed 74%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon78%(820 flights)
- Tue82%(662 flights)
- Wed80%(681 flights)
- Thu76%(827 flights)
- Fri77%(826 flights)
- Sat83%(551 flights)
- Sun76%(808 flights)
- 3–6 AM95%(307 flights)
- 6–9 AM90%(1075 flights)
- 9 AM–12 PM89%(933 flights)
- 12–3 PM82%(844 flights)
- 3–6 PM67%(930 flights)
- 6–9 PM60%(895 flights)
- 9 PM–12 AM70%(191 flights)
Jun 67% → May 78% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 67% | 427 |
| July 2025 | 66% | 424 |
| August 2025 | 78% | 391 |
| September 2025 | 82% | 374 |
| October 2025 | 81% | 430 |
| November 2025 | 83% | 426 |
| December 2025 | 76% | 449 |
| January 2026 | 86% | 411 |
| February 2026 | 82% | 419 |
| March 2026 | 80% | 513 |
| April 2026 | 85% | 446 |
| May 2026 | 78% | 465 |
Keep nerding
Based on 5,231 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.