Route
SJC → AUS
Mineta San Jose International Airport Austin Bergstrom International Airport
How punctual is this route?
- On-time arrivals
- 73.9%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 52 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,108
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 58%
- Airline (crew, maintenance, cleaning) 27%
- Air traffic control & airport 15%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 84.2% | 95 |
| October 2025 | 67.0% | 94 |
| November 2025 | 75.8% | 95 |
| December 2025 | 75.0% | 93 |
| January 2026 | 83.3% | 86 |
| February 2026 | 75.9% | 83 |
| March 2026 | 76.5% | 98 |
| April 2026 | 79.2% | 101 |
| May 2026 | 68.0% | 104 |
| June 2026 | 62.8% | 87 |
| July 2026 | 68.2% | 89 |
| August 2026 | 70.4% | 83 |
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 | 1,108 | 73.9% | 0.4% | 52 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1387
22% late · 60 flights
-
WN1877
29% late · 59 flights
-
WN2375
2% late · 58 flights
-
WN2239
46% late · 57 flights
-
WN4210
34% late · 53 flights
-
WN3509
38% late · 50 flights
-
WN4221
27% late · 49 flights
-
WN2607
7% late · 47 flights
-
WN2363
10% late · 43 flights
-
WN4311
10% late · 40 flights
-
WN3510
8% late · 36 flights
-
WN297
24% late · 33 flights
-
WN393
9% late · 33 flights
-
WN4222
48% late · 32 flights
-
WN664
19% late · 31 flights
-
WN724
6% late · 31 flights
-
WN3565
8% late · 27 flights
-
WN3655
50% late · 27 flights
-
WN597
19% late · 27 flights
-
WN173
52% late · 25 flights
-
WN1031
25% late · 24 flights
-
WN3566
43% late · 24 flights
-
WN522
26% late · 23 flights
-
WN668
26% late · 23 flights
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