On-Time Report

Airports › Austin (AUS) › August 2025

Airport month · August 2025

Austin - Bergstrom International in August 2025

77.3%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In August 2025, reporting carriers scheduled 7,214 domestic departures from Austin - Bergstrom International (AUS). 77.3% left less than 15 minutes late and 77.2% reached their destination on time; 0.9% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so AUS departures were 0.5 points above the national departure figure.

A year earlier, in August 2024, the airport had 7,157 departures with 79.6% leaving on time: a change of −2.3 points, with flights up 1%.

Flights arriving at AUS that month were on time 77.1% of the time (7,212 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 45%, air carrier 30% and national aviation system 20%.

Every scheduled departure from AUS in August 2025, judged by arrival at the destination.

August 2025 against a year earlier, the airport's year and the nation

MeasureAug 2025Aug 2024AUS, 12 months to Jul 2026All reported flights, Aug 2025
Departed on time77.3%79.6%74.2%76.8%
Arrived on time77.2%80.7%75.5%76.3%
Cancelled0.9%0.9%1.2%1.1%
Average departure delay (late minutes only)17.5 min16.7 min18.4 min17.6 min
Scheduled departures a day24123924520,079
Scheduled departures7,2147,15789,507602,378

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
WN Southwest Airlines2,95841%78.5%5.7 min0.3%
DL Delta Air Lines1,11215%80.9%6.1 min0.5%
AA American Airlines90313%70.8%20.1 min3.7%
UA United Airlines87912%77.9%5.6 min1.6%
OO SkyWest Airlines6489%78.4%10.9 min0.2%
AS Alaska Airlines2253%78.2%5.0 min0.0%
F9 Frontier Airlines1722%62.2%27.3 min2.9%
MQ Envoy Air1202%68.3%29.7 min0.8%
NK Spirit Airlines831%69.9%10.6 min0.0%
G4 Allegiant Air731%79.5%14.9 min0.0%
B6 JetBlue Airways310%80.6%3.1 min0.0%
OH PSA Airlines50%60.0%89.4 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
AUS–ATLAustin to Atlanta40780.6%0.3 min1.7%
AUS–DENAustin to Denver39975.2%6.8 min1.3%
AUS–DFWAustin to Dallas/Fort Worth35164.4%38.6 min4.3%
AUS–LAXAustin to Los Angeles31582.9%4.9 min0.6%
AUS–ORDAustin to Chicago26672.6%10.9 min3.0%
AUS–SFOAustin to San Francisco25184.9%-1.7 min0.8%
AUS–PHXAustin to Phoenix24783.0%8.6 min0.8%
AUS–BNAAustin to Nashville23480.3%10.8 min0.0%
AUS–LASAustin to Las Vegas22472.8%15.8 min0.9%
AUS–IAHAustin to Houston21371.4%13.0 min1.9%
AUS–SEAAustin to Seattle19581.5%4.3 min0.5%
AUS–DALAustin to Dallas18982.0%4.9 min0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over
Share of departures that left less than 15 minutes late, by scheduled hour (local time), August 2025.

Delay causes

BTS cause categoryShare of delay minutesNational, Aug 2025Minutes
Air carrier30.0%33.1%34,626
Late-arriving aircraft44.9%40.5%51,905
National Aviation System20.3%19.2%23,520
Extreme weather4.7%7.0%5,420
Security0.1%0.1%133
115,604 delay minutes on 1,557 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← July 2025September 2025 →

Questions and answers

How many flights left AUS on time in August 2025?

77.3% of 7,214 scheduled domestic departures left less than 15 minutes late, and 77.2% reached their destination on time. The national figures that month were 76.8% and 76.3%.

How does that compare with a year earlier?

In August 2024, 79.6% of 7,157 departures left on time and 0.9% were cancelled, against 77.3% and 0.9% in August 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for AUS · methodology · corrections.