Route · SMF → SAN · 2020–2025 BTS data
Sacramento to San Diego
The SMF–SAN corridor (Sacramento, CA → San Diego, CA) runs ahead of the national average, served by 16 carriers across roughly 480 miles.
Data updated 2026-06-13
- 81.7%
- On-time
- +2.7 pts
- vs US avg
- 58 min
- Delay when late
- 30,193
- Flights
Cancelled
0.9%
Best Month
Jan 2025 86%
Worst Month
Dec 2025 67%
Distance
480 mi
Carriers
16
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 399 | 130 | 6 | 3 | WN,AS,OO |
| Nov 2025 | 440 | 131 | 17 | 0 | OO,AS,WN |
| Oct 2025 | 424 | 116 | 2 | 2 | AS,OO,WN |
| Sep 2025 | 416 | 82 | 4 | 1 | WN,OO |
| Aug 2025 | 443 | 103 | 0 | 0 | OO,WN |
| Jul 2025 | 465 | 129 | 1 | 1 | OO,WN |
| Jun 2025 | 450 | 125 | 4 | 0 | OO,WN |
| May 2025 | 443 | 83 | 1 | 0 | OO,WN |
| Apr 2025 | 430 | 96 | 3 | 1 | OO,WN |
| Mar 2025 | 427 | 88 | 3 | 3 | OO,WN,F9 |
| Feb 2025 | 366 | 74 | 2 | 0 | OO,WN,F9 |
| Jan 2025 | 391 | 55 | 6 | 3 | OO,WN,F9 |
| Dec 2024 | 442 | 113 | 18 | 4 | F9,NK,OO,WN |
| Nov 2024 | 464 | 109 | 0 | 0 | OO,NK,WN,F9 |
| Oct 2024 | 494 | 157 | 12 | 3 | OO,WN,NK,F9 |
| Sep 2024 | 468 | 123 | 0 | 1 | WN,OO,F9,NK |
| Aug 2024 | 501 | 113 | 2 | 1 | F9,NK,WN,OO |
| Jul 2024 | 492 | 140 | 1 | 0 | NK,OO,WN |
| Jun 2024 | 473 | 131 | 5 | 0 | NK,OO,WN |
| May 2024 | 460 | 79 | 0 | 0 | NK,OO,WN |
| Apr 2024 | 442 | 79 | 0 | 0 | NK,OO,WN |
| Mar 2024 | 422 | 93 | 1 | 1 | OO,WN |
| Feb 2024 | 379 | 73 | 4 | 0 | OO,WN |
| Jan 2024 | 412 | 69 | 5 | 2 | WN,OO |
Cancellation Rate
0.9%
97 of 10,543 flights
Diversion Rate
0.2%
26 of 10,543 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SMF - Sacramento
Full on-time, delay-cause, and seasonal performance for Sacramento, 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 SMF 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 SMF–SAN.
Routes with a similar on-time rate
What the Data Says About SMF to SAN
30,193 tracked flights put the SMF to SAN pairing (Sacramento to San Diego) at a 81.7% on-time rate, squarely in line with the wider network. Delays that do occur run 57.6 minutes on average. Across the 480-mile route and its 16 carriers, the trailing 24 months show 0.9% cancelled and 0.2% diverted (10,543 flights sampled).
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 86% on-time, while Dec 2025 came in at just 67% - a 19-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.