According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Austin, TX (AUS) ranks #27 of 382 tracked US airports by total flights (most flights = #1). Austin, TX posts bottom-quartile on-time performance among the 382 tracked U.S. airports, as a high-volume U.S. airport.
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AUS on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Delay Cause Breakdown
Top delay cause: Late Aircraft.
Total delay minutes: 6,254,967.
Late Aircraft45.0% (2,815,822 min)
Carrier33.8% (2,115,034 min)
NAS (National Aviation System)16.3% (1,020,013 min)
Weather4.6% (289,601 min)
Security0.2% (14,497 min)
AUS - seasonal on-time pattern
Best: September (92.1%) · worst: June (86.6%)
AUS - on-time rate by year
2020–2025, year-over-year trend.
AUS - taxi-out and taxi-in (monthly)
Average taxi-out 15.4 min · taxi-in 8.1 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).
AUS's average taxi-out (15.4 min) sits near the recent U.S. airport mean (~16.4 min). Month-to-month, it swings from 13.5 min (August 2024) to 16.5 min (November 2025).
Two PlainFlights-derived comparison paths for Austin, TX, both outside Texas so the neighborhoods are not same-state geography. Axes stay disjoint: volume peers exclude the on-time peer set. Same-state compare stays below.
The standout signal at Austin, TX is the delay mix: Late Aircraft owns 45.0% of 6,254,967 delay minutes across 909,441 BTS flights. The on-time headline is 79.3% (0.3 pts above the 79% national average), with 188,677 delayed and 9,363 cancelled (1.03%).
Delay minutes concentrate in Late Aircraft (45.0% late-aircraft, 33.8% carrier, 16.3% NAS, 4.6% weather, 0.2% security). As a busy airport, that mix matters more for connection planning than for a thin schedule.
On the multi-year calendar, AUS is strongest in September (92.1% on-time) and weakest in June (86.6%), a 5.5-point swing. Volume peaks in October (~13,549 flights/month). The busiest connecting route is to DFW (Dallas/Fort Worth) at 78.3% on-time. Field definitions: on-time performance explained.
Austin, TX vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
79.3%Top 86%higher than 14% of 382 airports
Austin, TX
60%95%
U.S. airports by on-time rate, bucketed by value
Each bar is a band; taller bars hold more airports. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025).
Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.
AUS's on-time book sits in the slower half of the BTS set; check the delay mix and the worst month before treating the headline as typical.
Check the busiest route from AUS before you book a connection. See top routes →
Travel in September rather than June if your dates are flexible. Seasonal patterns →
Gate-to-wheels taxi-out averages 15.4 min here; check the monthly series before a tight connection. Taxi times →
On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.
Frequently Asked Questions
What is Austin, TX's on-time rate?
Austin, TX (AUS) has a 79.3% on-time rate across 909,441 BTS-tracked flights (2020-2025), 0.3 pts above the 79% national flight-weighted average; that places it in roughly the bottom-quartile on-time performance.
How does AUS rank among U.S. airports by traffic volume?
Austin, TX ranks #27 of 382 tracked US airports by total BTS flights (most flights = #1), making it a high-volume U.S. airport.
What's the most common cause of delays at Austin, TX?
Late Aircraft is the leading delay cause at AUS, accounting for 45.0% of delay minutes. The full breakdown: 45.0% late-aircraft, 33.8% carrier, 16.3% NAS/air-traffic-control, 4.6% weather, and 0.2% security.
When is the best time to fly through Austin, TX?
September is historically AUS's strongest month at 92.1% on-time, while June is the weakest at 86.6%, a 5.5-point swing across the BTS historical record.
Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights