Route
AUS → SLC
Austin Bergstrom International Airport Salt Lake City International Airport
How punctual is this route?
- On-time arrivals
- 81.1%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 82 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,798
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 45%
- Late-arriving aircraft 45%
- Air traffic control & airport 7%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 91.1% | 135 |
| October 2025 | 81.6% | 152 |
| November 2025 | 85.8% | 134 |
| December 2025 | 85.0% | 140 |
| January 2026 | 75.2% | 139 |
| February 2026 | 87.9% | 141 |
| March 2026 | 82.8% | 170 |
| April 2026 | 85.8% | 149 |
| May 2026 | 82.3% | 150 |
| June 2026 | 71.2% | 163 |
| July 2026 | 73.2% | 170 |
| August 2026 | 74.8% | 155 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Delta Air Lines | 1,072 | 86.0% | 0.8% | 99 min |
| Southwest Airlines | 482 | 68.0% | 0.2% | 63 min |
| SkyWest Airlines | 244 | 85.8% | 1.2% | 90 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL2618
6% late · 365 flights
-
DL2873
17% late · 279 flights
-
OO3908
15% late · 230 flights
-
DL2581
21% late · 220 flights
-
DL1425
19% late · 105 flights
-
DL2671
20% late · 67 flights
-
WN2301
41% late · 49 flights
-
WN2674
28% late · 47 flights
-
WN794
22% late · 46 flights
-
WN403
20% late · 35 flights
-
DL2689
7% late · 31 flights
-
WN1256
35% late · 31 flights
-
WN1180
84% late · 25 flights
-
WN2204
17% late · 23 flights
-
WN711
13% late · 23 flights
-
WN1979
10% late · 22 flights
-
WN2193
20% late · 20 flights
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