AUS to SMF flight delays & on-time performance
Nonstop flights from Austin Bergstrom International Airport to Sacramento International Airport · 1,481 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at AUS or SMF right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Austin (AUS) to Sacramento (SMF) arrived on time 72% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.3% were cancelled, and 6% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 12pm did best (92% on time); around 8pm did worst (57%).
- Saturday was the most reliable day to fly (81% on time) and Sunday the least (67%).
- The largest source of delay minutes was late-arriving aircraft (57%).
Which airline is most on time from AUS to SMF?
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 | 72% | 0.3% | 16 min | 6.3% | 385 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 11am78%32 flights
- 12pm92%38 flights
- 1pm69%36 flights
- 2pm82%38 flights
- 4pm59%74 flights
- 5pm79%53 flights
- 6pm67%54 flights
- 8pm57%28 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday70%0.0% cancelled
- Tuesday77%0.0% cancelled
- Wednesday67%0.0% cancelled
- Thursday71%0.0% cancelled
- Friday74%1.9% cancelled
- Saturday81%0.0% cancelled
- Sunday67%0.0% 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 aircraft57%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion4%
- Security2%
- Extreme weather2%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)100%
- Extreme weather0%
- Air traffic control & airport congestion0%
- Security0%
AUS to SMF: common questions
- How often are AUS to SMF flights on time?
- 72% 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 Austin to Sacramento cancelled?
- 0.3% of scheduled flights were cancelled (1 of 385).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 52 min behind schedule on average, and 6.3% of flights were an hour or more late.
- How long is taxi time at AUS?
- Flights on this route spent 13 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SMF to AUS — 79% on time
More flights from Austin
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: AUS → SMF, nonstop flights by US airlines that report to the DOT. How we calculate this.