Route
OAK → SAN
Oakland San Francisco Bay Airport San Diego International Airport
Alerts at OAK and SAN
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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
- 62.7%
- Less than 15 minutes late
- Cancelled
- 1.0%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 3,278
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 40%
- Air traffic control & airport 35%
- Airline (crew, maintenance, cleaning) 24%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 71.4% | 275 |
| October 2025 | 69.3% | 271 |
| November 2025 | 62.9% | 260 |
| December 2025 | 58.4% | 261 |
| January 2026 | 77.2% | 222 |
| February 2026 | 72.6% | 220 |
| March 2026 | 70.9% | 229 |
| April 2026 | 58.8% | 261 |
| May 2026 | 60.5% | 339 |
| June 2026 | 58.6% | 293 |
| July 2026 | 57.3% | 301 |
| August 2026 | 45.9% | 346 |
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 | 2,913 | 62.5% | 0.9% | 53 min |
| SkyWest Airlines | 345 | 62.6% | 1.4% | 53 min |
| NK | 20 | 95.0% | 0.0% | 34 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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OO3311
44% late · 70 flights
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OO3313
34% late · 70 flights
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WN3902
32% late · 64 flights
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WN3900
25% late · 62 flights
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WN3076
53% late · 60 flights
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WN1229
11% late · 58 flights
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WN3576
51% late · 58 flights
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WN2310
21% late · 57 flights
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WN2949
36% late · 55 flights
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WN3903
47% late · 54 flights
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WN2951
30% late · 50 flights
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WN681
20% late · 50 flights
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OO3074
4% late · 49 flights
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OO3076
35% late · 49 flights
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WN2208
2% late · 47 flights
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WN595
20% late · 47 flights
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WN979
4% late · 47 flights
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WN3074
16% late · 45 flights
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WN3908
52% late · 45 flights
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WN4517
36% late · 45 flights
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WN2729
31% late · 44 flights
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WN3577
83% late · 42 flights
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WN3578
60% late · 42 flights
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WN3905
50% late · 40 flights
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