SLC to AUS flight delays & on-time performance
Nonstop flights from Salt Lake City International Airport to Austin Bergstrom International Airport · 1,086 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SLC or AUS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Salt Lake City (SLC) to Austin (AUS) arrived on time 83% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.7% were cancelled, and 4% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (86% on time); Southwest Airlines was the least (78%).
- Departures scheduled around 6am did best (95% on time); around 11am did worst (76%).
- Wednesday was the most reliable day to fly (86% on time) and Monday the least (79%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (51%).
Which airline is most on time from SLC 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 |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 86% | 0.8% | 8 min | 3.0% | 240 |
| Delta Air Lines | 84% | 0.7% | 11 min | 5.1% | 1,073 |
| Southwest Airlines | 78% | 0.6% | 12 min | 3.6% | 471 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am95%63 flights
- 7am89%76 flights
- 8am97%31 flights
- 9am86%311 flights
- 10am81%122 flights
- 11am76%68 flights
- 12pm79%42 flights
- 1pm84%340 flights
- 2pm78%104 flights
- 4pm71%42 flights
- 5pm78%398 flights
- 8pm85%154 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday79%0.4% cancelled
- Tuesday83%0.0% cancelled
- Wednesday86%0.4% cancelled
- Thursday81%0.0% cancelled
- Friday85%0.7% cancelled
- Saturday85%1.0% cancelled
- Sunday80%2.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)51%
- Late-arriving aircraft29%
- Air traffic control & airport congestion17%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)42%
- Extreme weather42%
- Air traffic control & airport congestion17%
- Security0%
SLC to AUS: common questions
- How often are SLC to AUS flights on time?
- 83% 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 Salt Lake City to Austin cancelled?
- 0.7% of scheduled flights were cancelled (12 of 1,784).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 56 min behind schedule on average, and 4.4% of flights were an hour or more late.
- How long is taxi time at SLC?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: AUS to SLC — 82% on time
More flights from Salt Lake City
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SLC → AUS, nonstop flights by US airlines that report to the DOT. How we calculate this.