Route
AUS → SAN
Austin Bergstrom International Airport San Diego International Airport
Alerts at AUS and SAN
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Read the story →
Watch Ground Delay Program SAN
Ground Delay Program at San Diego International Airport (SAN): Average 37 minutes, up to 1 hour and 11 minutes
Reason: airport volume
Airport status
How punctual is this route?
- On-time arrivals
- 72.9%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,605
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 54%
- Airline (crew, maintenance, cleaning) 24%
- Air traffic control & airport 19%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.0% | 176 |
| October 2025 | 72.6% | 201 |
| November 2025 | 73.1% | 199 |
| December 2025 | 76.3% | 198 |
| January 2026 | 84.0% | 224 |
| February 2026 | 82.2% | 215 |
| March 2026 | 80.6% | 254 |
| April 2026 | 72.0% | 243 |
| May 2026 | 68.8% | 236 |
| June 2026 | 63.0% | 212 |
| July 2026 | 62.5% | 221 |
| August 2026 | 60.1% | 226 |
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 | 1,445 | 67.7% | 0.7% | 55 min |
| SkyWest Airlines | 1,070 | 79.4% | 2.0% | 65 min |
| Frontier Airlines | 90 | 80.9% | 1.1% | 72 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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OO3293
11% late · 334 flights
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OO3301
18% late · 246 flights
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OO3032
35% late · 118 flights
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F91877
19% late · 90 flights
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OO3084
36% late · 70 flights
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OO3249
44% late · 69 flights
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OO3039
18% late · 68 flights
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WN437
44% late · 64 flights
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WN761
17% late · 64 flights
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WN391
52% late · 60 flights
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WN385
7% late · 58 flights
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WN444
47% late · 58 flights
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WN4566
33% late · 58 flights
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WN438
21% late · 57 flights
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WN765
38% late · 55 flights
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WN4469
0% late · 52 flights
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WN2351
4% late · 50 flights
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WN4229
16% late · 50 flights
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WN389
55% late · 44 flights
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WN2382
74% late · 42 flights
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WN1823
26% late · 41 flights
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OO3220
9% late · 36 flights
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OO3331
15% late · 36 flights
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WN1741
0% late · 33 flights
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