Route · OAK → SAN · 2020–2025 BTS data
Oakland to San Diego
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), OAK to SAN (Oakland to San Diego) ranks #413 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80.5%
- On-time
- +1.5 pts
- vs US avg
- 55 min
- Delay when late
- 18,394
- Flights
- #413 of 4927
- Corpus placement
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 |
OAK–SAN seasonal on-time pattern
Best: January (87.3%) · weakest: December (75.9%)
Strongest calendar month
January
87.3% on-time · ~243 flights/mo
Busiest calendar month
July
~279 flights/mo avg
Weakest calendar month
December
75.9% on-time · ~251 flights/mo
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.
OAK on-time profileSAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
SAN on-time profileCompare the two airports
See OAK and SAN side by side on delays, cancellations, and reliability.
Compare OAK vs SANOrigin-hub reliability standing
Mid-pack among OAK departures
From OAK, this corridor sits with 21 other 75–85% on-time routes out of 31 tracked departures, not the hub's reliability leaders (10 at ≥85%) and not the softest ( 0 below 75%). Destination: San Diego · fleet on-time rank #2935 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to OAK–SAN.
Routes with a similar on-time rate
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.
On the multi-year calendar, OAK–SAN peaks in January at 87.3% on-time while July carries the heaviest traffic (~279 flights per month) ; the softest month is December at 75.9%, a 11.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does OAK to SAN rank among US routes by traffic? ▼
How often are flights delayed from OAK to SAN? ▼
What is the cancellation rate for OAK to SAN? ▼
How far is the flight from OAK to SAN? ▼
When is the best time to fly from OAK to SAN? ▼
Airports on this route
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.
Using OAK–SAN data
OAK–SAN is mid-pack at 80.5% on-time; month and carrier mix move more than the corridor headline.
- Compare OAK and SAN airport profiles: delay causes and top routes differ even on the same corridor. OAK airport
- If your dates flex, January (87.3% on-time) beats December (75.9%) on this corridor. Seasonal chart
- 4 other routes post a similar 80.5% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.