PlainFlights

Route · SJC → SNA · 2020–2025 BTS data

San Jose to Santa Ana

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SJC to SNA (San Jose to Santa Ana) ranks #583 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

86.6%
On-time
+7.6 pts
vs US avg
49 min
Delay when late
15,424
Flights
#583 of 4927
Corpus placement

Cancelled

1.0%

Best Month

Nov 2024 92%

Worst Month

Dec 2025 79%

Distance

342 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 229 49 2 3 WN,OO
Nov 2025 221 29 1 0 OO,WN
Oct 2025 228 29 2 2 WN
Sep 2025 215 35 2 0 WN
Aug 2025 219 28 1 1 WN
Jul 2025 217 23 4 0 WN
Jun 2025 216 27 5 0 WN
May 2025 222 18 0 0 WN
Apr 2025 215 29 0 0 WN
Mar 2025 234 30 4 0 OO,WN
Feb 2025 207 20 4 0 WN
Jan 2025 214 19 5 2 WN
Dec 2024 241 26 6 1 OO,WN
Nov 2024 242 19 1 0 WN
Oct 2024 225 30 2 0 WN
Sep 2024 215 27 1 0 WN
Aug 2024 222 18 2 0 WN
Jul 2024 215 33 6 0 WN
Jun 2024 214 33 1 0 OO,WN
May 2024 227 34 1 0 OO,WN
Apr 2024 221 29 1 0 OO,WN
Mar 2024 236 29 0 0 OO,WN
Feb 2024 221 28 1 0 WN
Jan 2024 239 21 2 0 WN

SJC–SNA seasonal on-time pattern

Best: January (91.2%) · weakest: December (82.2%)

80%82%84%86%88%90%92% JanFebMarAprMayJunJulAugSepOctNovDec 82.2%

Strongest calendar month

January

91.2% on-time · ~235 flights/mo

Busiest calendar month

March

~245 flights/mo avg

Weakest calendar month

December

82.2% on-time · ~221 flights/mo

Cancellation Rate

1.0%

54 of 5,355 flights

Diversion Rate

0.2%

9 of 5,355 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

SJC - San Jose

Full on-time, delay-cause, and seasonal performance for San Jose, CA.

SJC on-time profile

SNA - Santa Ana

Full on-time, delay-cause, and seasonal performance for Santa Ana, CA.

SNA on-time profile

Compare the two airports

See SJC and SNA side by side on delays, cancellations, and reliability.

Compare SJC vs SNA

Origin-hub reliability standing

Among SJC's stronger departures

SJC → SNA posts a 86.6% on-time rate, landing in the ≥85% band with 21 of 31 BTS-tracked routes leaving San Jose. The same hub also shows 9 mid-band and 1 challenged departures · fleet-wide on-time rank #751 of 4927 (highest on-time = #1).

What the Data Says About SJC to SNA

San Jose to Santa Ana (SJC to SNA) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.6% on-time rate across 15,424 flights, with delays that do happen averaging 49.1 minutes. The corridor runs roughly 342 miles and is served by 3 carriers. Over the most recent 24 months, 54 of 5,355 flights were cancelled (1.0%) and 9 diverted (0.2%).

Monthly performance varies moderately here: Nov 2024 was the strongest month at 92% on-time versus Dec 2025 at 79%, a 14-point difference.

On the multi-year calendar, SJC–SNA peaks in January at 91.2% on-time while March carries the heaviest traffic (~245 flights per month) ; the softest month is December at 82.2%, a 9.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SJC to SNA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SJC to SNA ranks #583 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SJC to SNA? ▼
Flights from San Jose to Santa Ana have a 86.6% on-time rate based on 15,424 flights. The average delay is 49.1 minutes. The best recent month was Nov 2024 with 92% on-time.
What is the cancellation rate for SJC to SNA? ▼
Over the last 24 months, 1.0% of flights on this route were cancelled (54 of 5,355 flights) and 0.2% were diverted.
How far is the flight from SJC to SNA? ▼
The flight distance from San Jose (SJC) to Santa Ana (SNA) is approximately 342 miles. This route is served by 3 carriers.
When is the best time to fly from SJC to SNA? ▼
The best recent month for on-time performance was Nov 2024 (92% on-time). The worst was Dec 2025 (79% on-time). Consider booking during months with historically better performance.

Airports on this route

SJC Airport

San Jose
SNA Airport

Santa Ana
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 SJC–SNA data

SJC–SNA runs 7.6 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SJC and SNA airport profiles: delay causes and top routes differ even on the same corridor. SJC airport
  • If your dates flex, January (91.2% on-time) beats December (82.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 86.6% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.