Airport reliability
Austin (AUS) on-time performance
How reliably flights leave Austin, TX (AUS) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Austin, TX89,868 departures in 12 months
- Departures on time
- 75.4% U.S. average 75.6%
- Cancelled
- 1.2% U.S. average 1.9%
- 60+ minutes late
- 7.8% U.S. average 8.1%
- Scheduled departures
- 89,868 12 months
What this means
AUS departures ran below the U.S. average.
- 75.4% of the 89,868 scheduled departures from Austin (AUS) arrived at their destination on time, about the same as the U.S. average of 75.6%.
- 1.2% of departures were cancelled (U.S. average 1.9%), and 7.8% arrived an hour or more late.
- Flights arriving at AUS were on time 75.6% of the time.
- Among airlines with at least 300 departures, Alaska Airlines was the most punctual from AUS (83.3%) and Spirit Airlines the least (58.6%).
- Over the last 3 years, September was the most reliable month for departures from AUS (82.6% on time) and July the least reliable (67.9%).
- Cancellations peaked in January, when 3.5% of flights were cancelled.
- Flights scheduled to depart before 6 am were the most punctual (92.6% on time); flights scheduled to depart 9 pm to 10 pm were the least (58.1%).
Airlines at AUS
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| Alaska Airlines | 83.3% | 1.0% | 3.9% | 50 min | 1,886 |
| Delta Air Lines | 81.1% | 1.5% | 6.6% | 79 min | 13,200 |
| SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska | 79.8% | 0.9% | 8.3% | 85 min | 8,430 |
| United Airlines | 78.9% | 1.1% | 7.2% | 75 min | 10,877 |
| Envoy AirSold as American Eagle | 77.0% | 2.7% | 8.0% | 94 min | 792 |
| American Airlines | 74.9% | 2.3% | 10.3% | 118 min | 11,662 |
| Frontier Airlines | 72.8% | 1.5% | 10.3% | 80 min | 1,821 |
| Southwest Airlines | 72.2% | 0.6% | 7.1% | 51 min | 38,550 |
| Republic AirwaysSold as American Eagle, Delta Connection, United Express | 68.6% | 4.4% | 10.2% | 147 min | 137 |
| JetBlue Airways | 65.3% | 2.3% | 12.8% | 77 min | 973 |
| Allegiant Air | 65.3% | 0.3% | 14.9% | 83 min | 605 |
| PSA AirlinesSold as American Eagle | 61.0% | 7.3% | 12.2% | 73 min | 123 |
| Spirit Airlines | 58.6% | 6.5% | 16.3% | 84 min | 812 |
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time AUS average 75.4%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | 92.6% | 4,206 |
| Departing 6 am to 7 am | 89.9% | 6,993 |
| Departing 7 am to 8 am | 86.3% | 6,913 |
| Departing 8 am to 9 am | 86.4% | 5,766 |
| Departing 9 am to 10 am | 85.1% | 4,215 |
| Departing 10 am to 11 am | 82.9% | 4,560 |
| Departing 11 am to noon | 80.5% | 4,420 |
| Departing noon to 1 pm | 75.1% | 6,271 |
| Departing 1 pm to 2 pm | 72.0% | 5,431 |
| Departing 2 pm to 3 pm | 70.9% | 6,252 |
| Departing 3 pm to 4 pm | 68.0% | 6,710 |
| Departing 4 pm to 5 pm | 64.3% | 6,036 |
| Departing 5 pm to 6 pm | 63.9% | 5,748 |
| Departing 6 pm to 7 pm | 64.0% | 5,532 |
| Departing 7 pm to 8 pm | 68.3% | 5,399 |
| Departing 8 pm to 9 pm | 59.8% | 2,791 |
| Departing 9 pm to 10 pm | 58.1% | 1,660 |
| Departing 10 pm to 11 pm | 71.2% | 965 |
Best and worst months at AUS
Share of scheduled flights on time 12-month average 75.4%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 78.0% | 19,541 |
| February | 82.3% | 18,184 |
| March | 76.3% | 22,494 |
| April | 78.3% | 22,262 |
| May | 69.9% | 23,317 |
| June | 70.1% | 23,149 |
| July | 67.9% | 23,827 |
| August | 77.9% | 21,946 |
| September | 82.6% | 21,536 |
| October | 81.0% | 23,600 |
| November | 81.1% | 21,921 |
| December | 80.2% | 22,124 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 83.7% | 6,889 |
| Oct 2025 | 76.4% | 7,845 |
| Nov 2025 | 75.1% | 7,346 |
| Dec 2025 | 77.4% | 7,528 |
| Jan 2026 | 78.8% | 6,707 |
| Feb 2026 | 80.9% | 6,471 |
| Mar 2026 | 71.8% | 7,973 |
| Apr 2026 | 77.0% | 7,647 |
| May 2026 | 74.1% | 7,831 |
| Jun 2026 | 68.2% | 7,879 |
| Jul 2026 | 68.5% | 8,177 |
| Aug 2026 | 76.0% | 7,575 |
Busiest routes from AUS
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Denver (DEN) | 78.1% | 0.6% | 4 | 5,509 |
| Dallas/Fort Worth (DFW) | 72.4% | 3.3% | 5 | 4,728 |
| Atlanta (ATL) | 80.7% | 1.3% | 4 | 4,484 |
| Los Angeles (LAX) | 81.9% | 0.7% | 6 | 4,084 |
| Phoenix (PHX) | 78.3% | 0.8% | 5 | 3,410 |
| Chicago (ORD) | 70.4% | 2.1% | 6 | 3,182 |
| Nashville (BNA) | 74.9% | 0.6% | 2 | 3,017 |
| Las Vegas (LAS) | 73.1% | 0.5% | 4 | 2,882 |
| Orlando (MCO) | 71.2% | 1.4% | 4 | 2,848 |
| San Francisco (SFO) | 71.9% | 0.5% | 5 | 2,788 |
| Houston (IAH) | 76.4% | 1.0% | 2 | 2,670 |
| San Diego (SAN) | 71.7% | 1.2% | 3 | 2,605 |
| Dallas (DAL) | 75.9% | 1.6% | 1 | 2,344 |
| Miami (MIA) | 78.7% | 1.1% | 6 | 2,236 |
| New York (JFK) | 76.4% | 3.4% | 2 | 2,227 |
| Seattle (SEA) | 80.5% | 0.9% | 3 | 2,089 |
| Newark (EWR) | 74.1% | 3.4% | 3 | 2,054 |
| New Orleans (MSY) | 75.7% | 0.4% | 3 | 1,934 |
| Salt Lake City (SLC) | 80.5% | 0.7% | 3 | 1,798 |
| Boston (BOS) | 62.6% | 2.7% | 3 | 1,713 |
Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from Austin, TX (AUS) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.