Route · SNA → SFO · 2020–2025 BTS data
Santa Ana to San Francisco
The SNA–SFO corridor (Santa Ana, CA → San Francisco, CA) runs ahead of the national average, served by 14 carriers across roughly 372 miles.
Data updated 2026-06-13
- 81%
- On-time
- +2 pts
- vs US avg
- 69 min
- Delay when late
- 22,074
- Flights
Cancelled
1.4%
Best Month
Jun 2025 85%
Worst Month
Mar 2024 37%
Distance
372 mi
Carriers
14
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 397 | 110 | 14 | 1 | F9,UA,OO |
| Nov 2025 | 446 | 122 | 16 | 0 | OO,UA,F9 |
| Oct 2025 | 448 | 110 | 3 | 0 | OO,UA,F9 |
| Sep 2025 | 436 | 87 | 1 | 0 | UA,OO,F9 |
| Aug 2025 | 425 | 75 | 2 | 1 | OO,F9,UA,AS |
| Jul 2025 | 398 | 97 | 3 | 0 | AS,OO,UA,F9 |
| Jun 2025 | 397 | 61 | 5 | 0 | AS,OO,UA,F9 |
| May 2025 | 445 | 93 | 3 | 1 | AS,OO,UA,F9 |
| Apr 2025 | 359 | 76 | 4 | 0 | F9,OO,UA,AS |
| Mar 2025 | 302 | 87 | 6 | 3 | AS,OO,UA,F9 |
| Feb 2025 | 270 | 65 | 7 | 1 | AS,OO,UA,F9 |
| Jan 2025 | 303 | 55 | 5 | 0 | AS,OO,UA,F9 |
| Dec 2024 | 355 | 93 | 7 | 0 | AS,F9,OO,UA |
| Nov 2024 | 415 | 111 | 7 | 2 | OO,UA,AS,F9 |
| Oct 2024 | 427 | 106 | 4 | 0 | UA,AS,OO,F9 |
| Sep 2024 | 402 | 93 | 1 | 2 | OO,UA,F9 |
| Aug 2024 | 379 | 63 | 1 | 0 | F9,OO,UA |
| Jul 2024 | 349 | 71 | 5 | 0 | F9,OO,UA |
| Jun 2024 | 288 | 86 | 4 | 2 | OO,UA |
| May 2024 | 338 | 139 | 0 | 1 | OO,UA |
| Apr 2024 | 347 | 179 | 11 | 3 | OO,UA |
| Mar 2024 | 344 | 218 | 2 | 5 | OO,UA |
| Feb 2024 | 310 | 155 | 11 | 2 | OO,UA |
| Jan 2024 | 325 | 93 | 0 | 0 | OO,UA |
Cancellation Rate
1.4%
122 of 8,905 flights
Diversion Rate
0.3%
24 of 8,905 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SNA - Santa Ana
Full on-time, delay-cause, and seasonal performance for Santa Ana, CA.
Origin airport →SFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
Destination airport →Compare the two airports
See SNA and SFO side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SNA–SFO.
Routes with a similar on-time rate
What the Data Says About SNA to SFO
22,074 tracked flights put the SNA to SFO pairing (Santa Ana to San Francisco) at a 81% on-time rate, squarely in line with the wider network. Delays that do occur run 69.0 minutes on average. Across the 372-mile route and its 14 carriers, the trailing 24 months show 1.4% cancelled and 0.3% diverted (8,905 flights sampled).
The monthly split is wide on this route: Jun 2025 posted the strongest performance at 85% on-time, while Mar 2024 came in at just 37% - a 48-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.