Route
AUS → DEN
Austin Bergstrom International Airport Denver International Airport
How punctual is this route?
- On-time arrivals
- 78.9%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 5,509
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 41%
- Air traffic control & airport 28%
- Airline (crew, maintenance, cleaning) 26%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.8% | 377 |
| October 2025 | 80.5% | 431 |
| November 2025 | 82.2% | 428 |
| December 2025 | 75.5% | 449 |
| January 2026 | 85.4% | 427 |
| February 2026 | 81.6% | 421 |
| March 2026 | 79.1% | 516 |
| April 2026 | 84.1% | 447 |
| May 2026 | 77.6% | 466 |
| June 2026 | 72.4% | 512 |
| July 2026 | 74.5% | 543 |
| August 2026 | 75.1% | 492 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 2,402 | 72.4% | 0.6% | 58 min |
| United Airlines | 1,885 | 85.7% | 0.7% | 78 min |
| SkyWest Airlines | 616 | 78.9% | 0.6% | 81 min |
| Frontier Airlines | 606 | 83.3% | 0.7% | 79 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA2447
18% late · 363 flights
-
F91815
12% late · 308 flights
-
UA595
11% late · 267 flights
-
UA779
7% late · 253 flights
-
OO3876
9% late · 239 flights
-
OO3669
37% late · 215 flights
-
UA361
3% late · 192 flights
-
UA439
32% late · 192 flights
-
UA1541
4% late · 141 flights
-
UA785
7% late · 129 flights
-
F92889
16% late · 120 flights
-
F91859
22% late · 109 flights
-
WN294
31% late · 104 flights
-
WN550
19% late · 83 flights
-
F92047
31% late · 69 flights
-
WN335
18% late · 65 flights
-
WN282
7% late · 61 flights
-
WN290
48% late · 60 flights
-
WN3047
47% late · 58 flights
-
WN3843
30% late · 58 flights
-
WN1486
5% late · 57 flights
-
WN286
5% late · 57 flights
-
WN1516
28% late · 54 flights
-
WN1896
39% late · 49 flights
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