Austin - Bergstrom International in March 2025

79.9%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 March 2025, reporting carriers scheduled 7,367 domestic departures from Austin - Bergstrom International (AUS). 79.9% left less than 15 minutes late and 80.4% reached their destination on time; 1.0% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so AUS departures were level with the national departure figure.

A year earlier, in March 2024, the airport had 7,154 departures with 75.8% leaving on time: a change of +4.1 points, with flights up 3%.

Flights arriving at AUS that month were on time 80.2% of the time (7,366 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, air carrier 33% and national aviation system 18%.

On time 80.4%
Arrived 15+ minutes late 18.5%
Cancelled 1.0%
Diverted 0.1%

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

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

Measure	Mar 2025	Mar 2024	AUS, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	79.9%	75.8%	74.2%	79.9%
Arrived on time	80.4%	77.0%	75.5%	79.3%
Cancelled	1.0%	0.7%	1.2%	1.2%
Average departure delay (late minutes only)	15.5 min	16.5 min	18.4 min	14.9 min
Scheduled departures a day	246	239	245	20,029
Scheduled departures	7,367	7,154	89,507	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	3,260	44%	80.7%	4.7 min	1.0%
AA American Airlines	965	13%	80.0%	9.7 min	2.0%
DL Delta Air Lines	955	13%	83.4%	4.7 min	0.3%
UA United Airlines	884	12%	83.8%	3.3 min	0.2%
OO SkyWest Airlines	599	8%	73.3%	13.0 min	2.0%
AS Alaska Airlines	184	2%	85.9%	-2.1 min	1.1%
F9 Frontier Airlines	154	2%	72.7%	24.4 min	0.6%
MQ Envoy Air	150	2%	72.0%	16.3 min	3.3%
NK Spirit Airlines	112	2%	83.0%	9.3 min	0.0%
G4 Allegiant Air	51	1%	70.6%	14.2 min	0.0%
B6 JetBlue Airways	31	0%	64.5%	23.3 min	0.0%
YX Republic Airline	13	0%	61.5%	18.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
AUS–DEN	Austin to Denver	421	86.2%	-0.4 min	0.0%
AUS–DFW	Austin to Dallas/Fort Worth	397	74.1%	12.5 min	4.5%
AUS–LAX	Austin to Los Angeles	380	81.6%	5.8 min	0.5%
AUS–ATL	Austin to Atlanta	376	81.9%	7.7 min	0.5%
AUS–PHX	Austin to Phoenix	330	83.3%	3.9 min	0.6%
AUS–LAS	Austin to Las Vegas	281	81.5%	4.2 min	1.1%
AUS–ORD	Austin to Chicago	264	81.4%	6.2 min	0.4%
AUS–BNA	Austin to Nashville	257	79.4%	10.3 min	1.2%
AUS–MCO	Austin to Orlando	244	84.0%	7.6 min	1.6%
AUS–IAH	Austin to Houston	235	85.1%	6.6 min	0.0%
AUS–SFO	Austin to San Francisco	210	80.0%	7.4 min	0.0%
AUS–DAL	Austin to Dallas	200	85.0%	2.9 min	1.0%

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), March 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2025	Minutes
Air carrier	32.7%	33.0%	33,432
Late-arriving aircraft	41.3%	39.2%	42,275
National Aviation System	18.0%	21.9%	18,407
Extreme weather	7.8%	5.9%	7,988
Security	0.2%	0.1%	227

102,329 delay minutes on 1,360 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left AUS on time in March 2025?

79.9% of 7,367 scheduled domestic departures left less than 15 minutes late, and 80.4% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 75.8% of 7,154 departures left on time and 0.7% were cancelled, against 79.9% and 1.0% in March 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 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.