How reliable is Austin Bergstrom International Airport?
Flights from AUS departed within 15 minutes of schedule in 78% of 487,160 flights in official BTS history — and weather is calmest in Aug. Here’s the full picture before you book.
Reliability score
on-time, cancellations & delays
Weather favorability
year-round climate
Origin-airport operations
What the departure punctuality at AUS looks like
On-time departures
across 487,160 flights
Source: BTS Airport Operations · data through 2026-06-25. Role-specific BTS departure history; advisory context, not a guarantee for any flight.
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Weather by month
When the weather works for you at Austin
A calm-weather score (0–100) for each month from decades of airport observations — how often conditions disrupt flying, not temperature. Higher is calmer.
Calmest month
Calmest flying weather of the year · 98/100 favorability
Roughest month
Most disruptive — low visibility & fog, freezing conditions · 86/100 favorability
The read on AUS
What the numbers say about flying through Austin Bergstrom International Airport
Across official performance history, flights from Austin left within 15 minutes of schedule about 78% of the time over 487,160 flights. That's a respectable but unspectacular operational record. Pair it with a moderate cancellation rate of 1.4%. When a departure does run late, the typical delay is around 14 minutes.
On weather, Austin is an unusually calm-weather airport year-round. August is the calmest stretch for flying, scoring 98 out of 100 for favorable conditions, while January is the most disruptive at 86, driven mainly by low visibility & fog and freezing conditions. The year is relatively steady, so no single month stands out as one to avoid on weather alone.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Austin, read how we weigh it all in how the PlaneSane Score works, and brush up with how to pick a reliable flight and avoiding weather delays.
Common questions about AUS
- How reliable is Austin Bergstrom International Airport (AUS)?
- Flights from Austin left within 15 minutes of schedule roughly 78% of the time across 487,160 flights of official history — a respectable but unspectacular operational record. The cancellation rate runs about 1.4%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from AUS for good weather?
- August has the calmest flying weather at Austin Bergstrom International Airport. January is the most disruptive, mainly from low visibility & fog and freezing conditions.
Planning a trip through Austin?
Score real flights to and from AUS on reliability, weather, and connection safety — not just price.