Route Reliability
San Diego → Oakland
SAN–OAK · 446 miles · San Diego International Airport to Oakland International Airport
- 76%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 1.2%
- Cancelled
- 3,215
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Southwest Airlines76%2,985 flights
- 2.Alaska Airlines72%157 flights
Not enough history to rank: Spirit Airlines (73 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning flights do better here.
SAN–OAK flights departing between 6–9 AM arrived on time 96% of the time, versus 60% between 9 PM–12 AM.
Friday is doing you no favors.
SAN–OAK flights arrived on time 85% of the time on Saturdays and just 70% on Fridays. That gap is worth planning around.
Southwest Airlines has a slight edge here.
Southwest Airlines arrived on time 76% of the time on this route; Alaska Airlines managed 72%.
Slipping a little lately.
SAN–OAK flights arrived on time 76% of the time over the last three months in the data, compared with 80% in the three months before that.
Flights on this route
The breakdown
- Mon73%(505 flights)
- Tue85%(412 flights)
- Wed85%(420 flights)
- Thu71%(486 flights)
- Fri70%(506 flights)
- Sat85%(336 flights)
- Sun70%(511 flights)
- 6–9 AM96%(663 flights)
- 9 AM–12 PM84%(569 flights)
- 12–3 PM73%(557 flights)
- 3–6 PM68%(583 flights)
- 6–9 PM63%(646 flights)
- 9 PM–12 AM60%(158 flights)
Jun 71% → May 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 71% | 281 |
| July 2025 | 75% | 284 |
| August 2025 | 78% | 280 |
| September 2025 | 76% | 272 |
| October 2025 | 72% | 270 |
| November 2025 | 77% | 247 |
| December 2025 | 71% | 258 |
| January 2026 | 84% | 219 |
| February 2026 | 85% | 220 |
| March 2026 | 82% | 227 |
| April 2026 | 77% | 261 |
| May 2026 | 71% | 357 |
Same trip, other airports
Keep nerding
Based on 3,215 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.