Route · OAK → SAN · 2020–2025 BTS data
Oakland to San Diego
The OAK–SAN corridor (Oakland, CA → San Diego, CA) runs ahead of the national average, served by 6 carriers across roughly 446 miles.
Data updated 2026-06-13
- 80.5%
- On-time
- +1.5 pts
- vs US avg
- 55 min
- Delay when late
- 18,394
- Flights
Cancelled
1.3%
Best Month
Jan 2025 87%
Worst Month
Dec 2025 59%
Distance
446 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 261 | 107 | 4 | 0 | WN |
| Nov 2025 | 260 | 92 | 11 | 1 | WN |
| Oct 2025 | 271 | 83 | 0 | 1 | OO,WN,NK |
| Sep 2025 | 275 | 78 | 2 | 0 | WN,NK |
| Aug 2025 | 282 | 80 | 0 | 0 | WN,NK |
| Jul 2025 | 288 | 71 | 3 | 0 | NK,WN |
| Jun 2025 | 287 | 58 | 4 | 0 | WN,NK |
| May 2025 | 299 | 49 | 1 | 0 | NK,WN |
| Apr 2025 | 288 | 61 | 3 | 0 | NK,WN |
| Mar 2025 | 283 | 44 | 4 | 1 | WN,NK |
| Feb 2025 | 228 | 40 | 3 | 0 | WN,NK |
| Jan 2025 | 246 | 31 | 3 | 1 | WN,NK |
| Dec 2024 | 291 | 63 | 12 | 3 | NK,WN |
| Nov 2024 | 298 | 51 | 3 | 0 | OO,NK,WN |
| Oct 2024 | 316 | 81 | 9 | 2 | WN,NK |
| Sep 2024 | 303 | 63 | 4 | 0 | WN,NK |
| Aug 2024 | 306 | 61 | 2 | 0 | NK,WN |
| Jul 2024 | 297 | 84 | 6 | 0 | NK,WN |
| Jun 2024 | 292 | 98 | 3 | 0 | NK,WN |
| May 2024 | 265 | 75 | 0 | 0 | NK,WN |
| Apr 2024 | 261 | 51 | 2 | 0 | NK,WN |
| Mar 2024 | 269 | 62 | 4 | 2 | NK,OO,WN |
| Feb 2024 | 254 | 45 | 4 | 0 | NK,WN |
| Jan 2024 | 279 | 37 | 2 | 1 | WN,NK |
Cancellation Rate
1.3%
89 of 6,699 flights
Diversion Rate
0.2%
12 of 6,699 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
OAK - Oakland
Full on-time, delay-cause, and seasonal performance for Oakland, CA.
Origin airport →SAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
Destination airport →Compare the two airports
See OAK and SAN side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to OAK–SAN.
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What the Data Says About OAK to SAN
18,394 tracked flights put the OAK to SAN pairing (Oakland to San Diego) at a 80.5% on-time rate, squarely in line with the wider network. Delays that do occur run 54.7 minutes on average. Across the 446-mile route and its 6 carriers, the trailing 24 months show 1.3% cancelled and 0.2% diverted (6,699 flights sampled).
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 87% on-time, while Dec 2025 came in at just 59% - a 28-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.