SAN to OAK flight delays & on-time performance
Nonstop flights from San Diego International Airport to Oakland San Francisco Bay Airport · 446 miles · Aug 2025 – Jul 2026
- SAN: Airport closed. Closed, expected to reopen Oct 11 at 13:00 UTC.
On-time arrivals
74%
arrived < 15 min late
Cancelled
1.0%
31 flights
Avg arrival delay
14 min
50 min when late
Airlines
3
3,203 flights tracked
Key facts
- Flights from San Diego (SAN) to Oakland (OAK) arrived on time 74% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1% were cancelled, and 7% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (76% on time); Southwest Airlines was the least (74%).
- Departures scheduled around 6am did best (98% on time); around 5pm did worst (51%).
- Tuesday was the most reliable day to fly (84% on time) and Friday the least (67%).
- The largest source of delay minutes was late-arriving aircraft (71%).
Which airline is most on time from SAN to OAK?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Spirit Airlines | 89% | 0.0% | 7 min | 2.6% | 38 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 76% | 1.1% | 14 min | 6.9% | 262 |
| Southwest Airlines | 74% | 1.0% | 14 min | 6.8% | 2,903 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am98%179 flights
- 7am97%209 flights
- 8am94%299 flights
- 9am83%179 flights
- 10am81%182 flights
- 11am83%177 flights
- 12pm77%166 flights
- 1pm77%246 flights
- 2pm63%224 flights
- 3pm69%183 flights
- 4pm61%237 flights
- 5pm51%121 flights
- 6pm64%232 flights
- 7pm66%212 flights
- 8pm55%196 flights
- 9pm52%115 flights
- 10pm70%46 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday72%0.8% cancelled
- Tuesday84%1.2% cancelled
- Wednesday82%1.2% cancelled
- Thursday69%1.4% cancelled
- Friday67%1.2% cancelled
- Saturday83%0.3% cancelled
- Sunday68%0.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft71%
- Airline (crew, maintenance, cleaning, fueling)24%
- Air traffic control & airport congestion5%
- Security0%
- Extreme weather0%
Why flights are cancelled
Share of cancellations by reason.
- Air traffic control & airport congestion35%
- Airline (crew, maintenance, cleaning, fueling)32%
- Extreme weather32%
- Security0%
SAN to OAK: common questions
- How often are SAN to OAK flights on time?
- 74% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from San Diego to Oakland cancelled?
- 1.0% of scheduled flights were cancelled (31 of 3,203).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 50 min behind schedule on average, and 6.8% of flights were an hour or more late.
- How long is taxi time at SAN?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: OAK to SAN — 65% on time
More flights from San Diego
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SAN → OAK, nonstop flights by US airlines that report to the DOT. How we calculate this.