Route · SNA → SFO · 2020–2025 BTS data
Santa Ana to San Francisco
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SNA to SFO (Santa Ana to San Francisco) ranks #277 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 81%
- On-time
- +2 pts
- vs US avg
- 69 min
- Delay when late
- 22,074
- Flights
- #277 of 4927
- Corpus placement
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 |
SNA–SFO seasonal on-time pattern
Best: August (85.8%) · weakest: March (74.3%)
Strongest calendar month
August
85.8% on-time · ~327 flights/mo
Busiest calendar month
October
~356 flights/mo avg
Weakest calendar month
March
74.3% on-time · ~299 flights/mo
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.
SNA on-time profileSFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
SFO on-time profileCompare the two airports
See SNA and SFO side by side on delays, cancellations, and reliability.
Compare SNA vs SFOOrigin-hub reliability standing
Mid-pack among SNA departures
From SNA, this corridor sits with 12 other 75–85% on-time routes out of 24 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 4 below 75%). Destination: San Francisco · fleet on-time rank #2761 of 4927.
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.
On the multi-year calendar, SNA–SFO peaks in August at 85.8% on-time while October carries the heaviest traffic (~356 flights per month) ; the softest month is March at 74.3%, a 11.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SNA to SFO rank among US routes by traffic? ▼
How often are flights delayed from SNA to SFO? ▼
What is the cancellation rate for SNA to SFO? ▼
How far is the flight from SNA to SFO? ▼
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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 SNA–SFO data
SNA–SFO is mid-pack at 81% on-time; month and carrier mix move more than the corridor headline.
- Compare SNA and SFO airport profiles: delay causes and top routes differ even on the same corridor. SNA airport
- If your dates flex, August (85.8% on-time) beats March (74.3%) on this corridor. Seasonal chart
- 4 other routes post a similar 81% 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.