Route
SAN → OAK
San Diego International Airport Oakland San Francisco Bay Airport
Alerts at SAN and OAK
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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
- 1.0%
- Of scheduled flights
- Average delay when late
- 54 min
- Flights arriving 15+ minutes late
- Flights tracked
- 3,290
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 70%
- Airline (crew, maintenance, cleaning) 23%
- Air traffic control & airport 6%
- Security 0%
- Extreme weather 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 73.9% | 274 |
| October 2025 | 71.5% | 271 |
| November 2025 | 76.1% | 260 |
| December 2025 | 70.5% | 262 |
| January 2026 | 83.6% | 222 |
| February 2026 | 81.8% | 220 |
| March 2026 | 81.5% | 229 |
| April 2026 | 75.6% | 260 |
| May 2026 | 68.4% | 336 |
| June 2026 | 65.4% | 291 |
| July 2026 | 73.3% | 296 |
| August 2026 | 63.3% | 369 |
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 | 2,933 | 72.4% | 1.0% | 54 min |
| SkyWest Airlines | 337 | 75.6% | 1.5% | 56 min |
| NK | 20 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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OO3218
24% late · 70 flights
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OO3320
7% late · 70 flights
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WN1521
25% late · 64 flights
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WN738
34% late · 62 flights
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WN1519
5% late · 58 flights
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WN2199
17% late · 58 flights
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WN3785
16% late · 58 flights
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WN4237
42% late · 58 flights
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WN440
41% late · 58 flights
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WN444
21% late · 58 flights
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WN4989
5% late · 58 flights
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WN4198
9% late · 57 flights
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WN1582
2% late · 55 flights
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OO3076
29% late · 49 flights
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WN4841
55% late · 47 flights
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OO3078
43% late · 45 flights
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WN3279
29% late · 45 flights
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WN3517
18% late · 44 flights
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WN3519
45% late · 44 flights
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OO3077
35% late · 43 flights
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WN4166
23% late · 43 flights
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WN4842
65% late · 43 flights
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WN1303
24% late · 42 flights
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WN2295
32% late · 42 flights
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