Route
AUS → SJC
Austin Bergstrom International Airport Mineta San Jose International Airport
How punctual is this route?
- On-time arrivals
- 74.0%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,095
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 60%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 7%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 73.4% | 95 |
| October 2025 | 75.5% | 94 |
| November 2025 | 78.7% | 94 |
| December 2025 | 80.6% | 93 |
| January 2026 | 88.2% | 86 |
| February 2026 | 77.1% | 83 |
| March 2026 | 84.5% | 97 |
| April 2026 | 74.3% | 101 |
| May 2026 | 65.0% | 104 |
| June 2026 | 50.6% | 87 |
| July 2026 | 65.9% | 89 |
| August 2026 | 74.6% | 72 |
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 |
|---|---|---|---|---|
| Southwest Airlines | 1,095 | 74.0% | 0.4% | 53 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN398
12% late · 60 flights
-
WN786
24% late · 58 flights
-
WN2819
58% late · 57 flights
-
WN397
16% late · 55 flights
-
WN470
16% late · 50 flights
-
WN1625
4% late · 49 flights
-
WN3156
22% late · 49 flights
-
WN399
56% late · 43 flights
-
WN176
5% late · 42 flights
-
WN1371
22% late · 41 flights
-
WN1195
15% late · 40 flights
-
WN400
57% late · 36 flights
-
WN1707
18% late · 33 flights
-
WN3288
39% late · 32 flights
-
WN989
31% late · 27 flights
-
WN2438
36% late · 25 flights
-
WN1789
13% late · 23 flights
-
WN642
13% late · 23 flights
-
WN1138
5% late · 22 flights
-
WN784
43% late · 21 flights
-
WN845
24% late · 21 flights
-
WN2506
5% late · 20 flights
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