FlightRecord

Austin Bergstrom International Airport (AUS): Delays & On-Time Performance

Data through May 2026

Austin Bergstrom International Airport (AUS) is a tale of two seasons: departures ran 87% on-time in September 2024 but sank to 66% in July 2024. Across the year it averages 77% against a national 78%, over roughly 244 departures a day to 89 destinations.

Departures on-time
77%
left <15 min late
Avg dep delay
17 min
Arrivals on-time
78%
Cancelled
1.1%
Destinations
89
nonstop
Airlines
15

Monthly on-time trend

Monthly departure on-time percentage at AUS50%75%100%June 2024: 71% on-time (7,551 flights)71Jun 2024July 2024: 66% on-time (7,754 flights)66August 2024: 80% on-time (7,157 flights)80September 2024: 87% on-time (6,816 flights)87Sep 2024October 2024: 86% on-time (7,398 flights)86November 2024: 85% on-time (6,861 flights)85December 2024: 78% on-time (6,932 flights)78Dec 2024January 2025: 84% on-time (6,142 flights)84February 2025: 82% on-time (5,840 flights)82March 2025: 81% on-time (7,367 flights)81Mar 2025April 2025: 80% on-time (7,311 flights)80May 2025: 69% on-time (7,634 flights)69June 2025: 70% on-time (7,719 flights)70Jun 2025July 2025: 69% on-time (7,896 flights)69August 2025: 78% on-time (7,214 flights)78September 2025: 84% on-time (6,889 flights)84Sep 2025October 2025: 76% on-time (7,845 flights)76November 2025: 75% on-time (7,346 flights)75December 2025: 74% on-time (7,528 flights)74Dec 2025January 2026: 81% on-time (6,707 flights)81February 2026: 80% on-time (6,471 flights)80March 2026: 73% on-time (7,973 flights)73Mar 2026April 2026: 77% on-time (7,647 flights)77May 2026: 72% on-time (7,831 flights)72

Best time of day to depart from AUS

On-time percentage by scheduled departure hour at AUS5 a.m.: 95% on-time (7,786 flights)56 a.m.: 93% on-time (13,064 flights)67 a.m.: 90% on-time (12,304 flights)78 a.m.: 89% on-time (10,623 flights)89 a.m.: 88% on-time (8,625 flights)910 a.m.: 85% on-time (9,090 flights)1011 a.m.: 83% on-time (8,746 flights)1112 p.m.: 80% on-time (12,124 flights)121 p.m.: 75% on-time (10,363 flights)132 p.m.: 72% on-time (12,374 flights)143 p.m.: 71% on-time (12,625 flights)154 p.m.: 66% on-time (12,135 flights)165 p.m.: 65% on-time (10,761 flights)176 p.m.: 64% on-time (10,836 flights)187 p.m.: 66% on-time (10,436 flights)198 p.m.: 63% on-time (6,295 flights)209 p.m.: 57% on-time (3,571 flights)2110 p.m.: 67% on-time (2,064 flights)22scheduled departure hour

Busiest routes from AUS

RouteFlights/12moOn-timeAvg delay
AUS → DEN5,23180%14 min
AUS → DFW4,76776%27 min
AUS → ATL4,56581%13 min
AUS → LAX4,07481%15 min
AUS → PHX3,39281%17 min
AUS → ORD3,16977%20 min
AUS → BNA3,02579%14 min
AUS → LAS2,87077%15 min

Most reliable routes

  1. AUS → IAD89%
  2. AUS → DTW85%
  3. AUS → PSP85%
  4. AUS → OKC85%
  5. AUS → SLC83%

Most delay-prone routes

  1. AUS → ASE66%
  2. AUS → DSM67%
  3. AUS → DCA68%
  4. AUS → BOS69%
  5. AUS → RNO70%

Airline performance at AUS

AirlineOn-time departuresAvg delayFlights
United Airlines84%14 min20,624
Delta Air Lines81%17 min24,407
Envoy Air80%15 min2,301
SkyWest Airlines80%18 min13,570
Republic Airways79%33 min213
American Airlines79%25 min24,692
Alaska Airlines79%13 min4,723
Hawaiian Airlines76%24 min129
Southwest Airlines74%15 min75,097
Allegiant Air73%25 min1,530
Frontier Airlines73%26 min3,041
Spirit Airlines70%25 min2,183
PSA Airlines68%27 min101
JetBlue Airways61%35 min1,152

Frequently asked questions

How often are flights delayed at AUS?
23% of departures from Austin Bergstrom International Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 17 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from AUS?
Flights scheduled around 5 a.m. depart on time 95% of the time at AUS, versus 57% around 9 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at AUS?
In this dataset, July 2024 was the weakest month at AUS, with 66% of departures on time.
How often are flights cancelled at AUS?
1.1% of scheduled departures from AUS were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Based on 173,829 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.