SJU to AUS flight delays & on-time performance
Nonstop flights from Luis Munoz Marin International Airport to Austin Bergstrom International Airport · 2,146 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SJU or AUS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from San Juan (SJU) to Austin (AUS) arrived on time 55% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.9% were cancelled, and 6% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- The largest source of delay minutes was late-arriving aircraft (58%).
Which airline is most on time from SJU to AUS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 55% | 2.9% | 19 min | 6.1% | 34 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 2pm50%12 flights
- 3pm67%16 flights
Best day of the week
On-time arrival rate by day of departure.
- Saturday55%2.9% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft58%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion10%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Air traffic control & airport congestion100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Extreme weather0%
- Security0%
SJU to AUS: common questions
- How often are SJU to AUS flights on time?
- 55% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from San Juan to Austin cancelled?
- 2.9% of scheduled flights were cancelled (1 of 34).
- How long are typical delays?
- Across all flights the average arrival delay was 19 min (early arrivals count as zero). Flights that were late arrived 39 min behind schedule on average, and 6.1% of flights were an hour or more late.
- How long is taxi time at SJU?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: AUS to SJU — 61% on time
More flights from San Juan
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SJU → AUS, nonstop flights by US airlines that report to the DOT. How we calculate this.