DEN to AUS flight delays & on-time performance
Nonstop flights from Denver International Airport to Austin Bergstrom International Airport · 775 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DEN or AUS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Denver (DEN) to Austin (AUS) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.5% were cancelled, and 7% arrived an hour or more late.
- United Airlines was the most punctual airline here (80% on time); Frontier Airlines was the least (71%).
- Departures scheduled around 8am did best (95% on time); around 8pm did worst (59%).
- Wednesday was the most reliable day to fly (81% on time) and Friday the least (73%).
- The largest source of delay minutes was late-arriving aircraft (44%).
Which airline is most on time from DEN to AUS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 80% | 0.4% | 12 min | 6.4% | 1,898 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 78% | 0.5% | 19 min | 8.4% | 553 |
| Southwest Airlines | 75% | 0.6% | 15 min | 7.3% | 2,362 |
| Frontier Airlines | 71% | 0.5% | 19 min | 9.5% | 581 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am95%115 flights
- 6am93%290 flights
- 7am95%173 flights
- 8am95%406 flights
- 9am83%520 flights
- 10am81%479 flights
- 11am73%125 flights
- 12pm70%129 flights
- 1pm78%566 flights
- 2pm73%116 flights
- 3pm72%392 flights
- 4pm75%156 flights
- 5pm75%436 flights
- 6pm66%356 flights
- 7pm66%382 flights
- 8pm59%600 flights
- 9pm73%146 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%0.5% cancelled
- Tuesday80%0.0% cancelled
- Wednesday81%0.7% cancelled
- Thursday75%0.5% cancelled
- Friday73%0.6% cancelled
- Saturday80%0.5% cancelled
- Sunday74%1.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft44%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion17%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather38%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion31%
- Security0%
DEN to AUS: common questions
- How often are DEN to AUS flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Denver to Austin cancelled?
- 0.5% of scheduled flights were cancelled (29 of 5,394).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 59 min behind schedule on average, and 7.3% of flights were an hour or more late.
- How long is taxi time at DEN?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: AUS to DEN — 79% on time
More flights from Denver
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DEN → AUS, nonstop flights by US airlines that report to the DOT. How we calculate this.