Route · SFO → SNA · 2020–2025 BTS data
San Francisco to Santa Ana
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SFO to SNA (San Francisco to Santa Ana) ranks #278 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 84.4%
- On-time
- +5.4 pts
- vs US avg
- 61 min
- Delay when late
- 22,048
- Flights
- #278 of 4927
- Corpus placement
Cancelled
1.2%
Best Month
Aug 2024 88%
Worst Month
Mar 2024 69%
Distance
372 mi
Carriers
14
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 394 | 83 | 9 | 2 | F9,UA,OO |
| Nov 2025 | 445 | 79 | 14 | 1 | OO,UA,F9 |
| Oct 2025 | 448 | 79 | 2 | 1 | OO,UA,F9 |
| Sep 2025 | 436 | 51 | 0 | 0 | UA,OO,F9 |
| Aug 2025 | 424 | 61 | 2 | 0 | OO,F9,UA,AS |
| Jul 2025 | 397 | 90 | 1 | 0 | AS,OO,UA,F9 |
| Jun 2025 | 396 | 74 | 4 | 0 | AS,OO,UA,F9 |
| May 2025 | 445 | 74 | 3 | 0 | AS,OO,UA,F9 |
| Apr 2025 | 359 | 48 | 2 | 0 | F9,OO,UA,AS |
| Mar 2025 | 301 | 68 | 6 | 0 | AS,OO,UA,F9 |
| Feb 2025 | 270 | 52 | 8 | 0 | AS,OO,UA,F9 |
| Jan 2025 | 303 | 52 | 5 | 3 | AS,OO,UA,F9 |
| Dec 2024 | 355 | 68 | 5 | 2 | AS,F9,OO,UA |
| Nov 2024 | 414 | 89 | 9 | 0 | OO,UA,AS,F9 |
| Oct 2024 | 427 | 74 | 4 | 2 | UA,AS,OO,F9 |
| Sep 2024 | 403 | 84 | 2 | 0 | OO,UA,F9 |
| Aug 2024 | 378 | 44 | 1 | 0 | F9,OO,UA |
| Jul 2024 | 349 | 65 | 3 | 0 | F9,OO,UA |
| Jun 2024 | 285 | 54 | 4 | 1 | OO,UA |
| May 2024 | 332 | 61 | 2 | 0 | OO,UA |
| Apr 2024 | 343 | 101 | 10 | 0 | OO,UA |
| Mar 2024 | 340 | 105 | 2 | 0 | OO,UA |
| Feb 2024 | 310 | 88 | 12 | 3 | OO,UA |
| Jan 2024 | 325 | 65 | 0 | 0 | OO,UA |
SFO–SNA seasonal on-time pattern
Best: August (87.1%) · weakest: June (81.2%)
Strongest calendar month
August
87.1% on-time · ~327 flights/mo
Busiest calendar month
October
~356 flights/mo avg
Weakest calendar month
June
81.2% on-time · ~278 flights/mo
Cancellation Rate
1.2%
110 of 8,879 flights
Diversion Rate
0.2%
15 of 8,879 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
SFO on-time profileSNA - Santa Ana
Full on-time, delay-cause, and seasonal performance for Santa Ana, CA.
SNA on-time profileCompare the two airports
See SFO and SNA side by side on delays, cancellations, and reliability.
Compare SFO vs SNAOrigin-hub reliability standing
Mid-pack among SFO departures
From SFO, this corridor sits with 50 other 75–85% on-time routes out of 73 tracked departures, not the hub's reliability leaders (20 at ≥85%) and not the softest ( 3 below 75%). Destination: Santa Ana · fleet on-time rank #1454 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SFO–SNA.
Routes with a similar on-time rate
What the Data Says About SFO to SNA
Bureau of Transportation Statistics records show San Francisco to Santa Ana (SFO to SNA) running a 84.4% on-time rate over 22,048 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 61.2 minutes. The 372-mile corridor is served by 14 carriers, and over the last 24 months 1.2% of 8,879 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Aug 2024 posted the strongest performance at 88% on-time, while Mar 2024 came in at just 69% - a 19-point swing worth factoring into travel timing.
On the multi-year calendar, SFO–SNA peaks in August at 87.1% on-time while October carries the heaviest traffic (~356 flights per month) ; the softest month is June at 81.2%, a 5.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SFO to SNA rank among US routes by traffic? ▼
How often are flights delayed from SFO to SNA? ▼
What is the cancellation rate for SFO to SNA? ▼
How far is the flight from SFO to SNA? ▼
When is the best time to fly from SFO to SNA? ▼
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 SFO–SNA data
SFO–SNA runs 5.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SFO and SNA airport profiles: delay causes and top routes differ even on the same corridor. SFO airport
- If your dates flex, August (87.1% on-time) beats June (81.2%) on this corridor. Seasonal chart
- 4 other routes post a similar 84.4% 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.