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Route · LAX → STS · 2020–2025 BTS data

Los Angeles to Santa Rosa

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LAX to STS (Los Angeles to Santa Rosa) ranks #3162 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

84%
On-time
+5 pts
vs US avg
61 min
Delay when late
3,375
Flights
#3162 of 4927
Corpus placement

Cancelled

1.3%

Best Month

Sep 2025 95%

Worst Month

Nov 2024 70%

Distance

400 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 39 9 9 3 OO
Nov 2025 51 3 4 2 OO
Oct 2025 52 8 0 0 OO
Sep 2025 77 4 0 0 OO
Aug 2025 69 7 0 0 OO
Jul 2025 61 14 0 0 OO
Jun 2025 60 11 0 0 OO
May 2025 62 9 0 0 OO
Apr 2025 71 7 0 0 OO
Mar 2025 62 12 0 1 OO
Feb 2025 44 11 2 2 OO
Jan 2025 55 9 1 0 OO
Dec 2024 82 17 1 0 OO
Nov 2024 79 24 0 1 OO
Oct 2024 57 10 0 1 OO
Sep 2024 56 10 0 0 OO
Aug 2024 60 9 0 0 OO
Jul 2024 62 10 0 0 OO
Jun 2024 58 14 0 0 OO
May 2024 30 5 0 0 OO
Mar 2024 42 6 0 0 OO
Jan 2024 38 11 0 0 OO
Dec 2023 58 13 1 5 OO
Nov 2023 39 6 0 0 OO

LAX–STS seasonal on-time pattern

Best: April (89.1%) · weakest: December (75.5%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 75.5%

Strongest calendar month

April

89.1% on-time · ~55 flights/mo

Busiest calendar month

September

~60 flights/mo avg

Weakest calendar month

December

75.5% on-time · ~58 flights/mo

Cancellation Rate

1.3%

18 of 1,364 flights

Diversion Rate

1.1%

15 of 1,364 flights

Explore origin & destination

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

LAX - Los Angeles

Full on-time, delay-cause, and seasonal performance for Los Angeles, CA.

LAX on-time profile

STS - Santa Rosa

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

STS on-time profile

Compare the two airports

See LAX and STS side by side on delays, cancellations, and reliability.

Compare LAX vs STS

Origin-hub reliability standing

Mid-pack among LAX departures

From LAX, this corridor sits with 39 other 75–85% on-time routes out of 80 tracked departures, not the hub's reliability leaders (40 at ≥85%) and not the softest ( 1 below 75%). Destination: Santa Rosa · fleet on-time rank #1572 of 4927.

What the Data Says About LAX to STS

Bureau of Transportation Statistics records show Los Angeles to Santa Rosa (LAX to STS) running a 84% on-time rate over 3,375 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 60.6 minutes. The 400-mile corridor is served by 3 carriers, and over the last 24 months 1.3% of 1,364 flights were cancelled, 1.1% diverted.

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 95% on-time, while Nov 2024 came in at just 70% - a 25-point swing worth factoring into travel timing.

On the multi-year calendar, LAX–STS peaks in April at 89.1% on-time while September carries the heaviest traffic (~60 flights per month) ; the softest month is December at 75.5%, a 13.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does LAX to STS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, LAX to STS ranks #3162 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 LAX to STS? ▼
Flights from Los Angeles to Santa Rosa have a 84% on-time rate based on 3,375 flights. The average delay is 60.6 minutes. The best recent month was Sep 2025 with 95% on-time.
What is the cancellation rate for LAX to STS? ▼
Over the last 24 months, 1.3% of flights on this route were cancelled (18 of 1,364 flights) and 1.1% were diverted.
How far is the flight from LAX to STS? ▼
The flight distance from Los Angeles (LAX) to Santa Rosa (STS) is approximately 400 miles. This route is served by 3 carriers.
When is the best time to fly from LAX to STS? ▼
The best recent month for on-time performance was Sep 2025 (95% on-time). The worst was Nov 2024 (70% on-time). Consider booking during months with historically better performance.

Airports on this route

LAX Airport

Los Angeles
STS Airport

Santa Rosa
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 LAX–STS data

LAX–STS runs 5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare LAX and STS airport profiles: delay causes and top routes differ even on the same corridor. LAX airport
  • If your dates flex, April (89.1% on-time) beats December (75.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 84% 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.