PlainFlights

Route · SLC → SNA · 2020–2025 BTS data

Salt Lake City to Santa Ana

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SLC to SNA (Salt Lake City to Santa Ana) ranks #1088 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

84.8%
On-time
+5.8 pts
vs US avg
68 min
Delay when late
10,615
Flights
#1088 of 4927
Corpus placement

Cancelled

0.3%

Best Month

Oct 2024 93%

Worst Month

Jan 2024 75%

Distance

588 mi

Carriers

7

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 160 30 1 4 DL,F9
Nov 2025 151 25 4 0 DL,F9,OO
Oct 2025 157 34 0 0 DL,F9
Sep 2025 146 25 0 0 DL
Aug 2025 147 22 0 2 DL
Jul 2025 147 22 0 0 DL,OO
Jun 2025 144 32 1 0 DL,OO
May 2025 149 26 0 1 DL,OO
Apr 2025 146 19 0 0 DL,OO
Mar 2025 144 16 0 2 DL,OO
Feb 2025 112 17 0 0 DL
Jan 2025 128 19 0 1 DL
Dec 2024 150 25 0 2 DL
Nov 2024 139 18 0 0 DL
Oct 2024 148 11 0 1 DL
Sep 2024 143 24 0 0 DL
Aug 2024 149 24 0 0 DL
Jul 2024 147 32 4 1 DL
Jun 2024 144 28 0 0 DL
May 2024 150 29 0 0 DL
Apr 2024 146 25 0 0 DL
Mar 2024 143 17 0 0 DL
Feb 2024 116 16 0 0 DL
Jan 2024 130 32 0 0 DL,WN

SLC–SNA seasonal on-time pattern

Best: February (88.3%) · weakest: December (79.6%)

78%80%82%84%86%88%90% JanFebMarAprMayJunJulAugSepOctNovDec 79.6%

Strongest calendar month

February

88.3% on-time · ~124 flights/mo

Busiest calendar month

December

~160 flights/mo avg

Weakest calendar month

December

79.6% on-time · ~160 flights/mo

Cancellation Rate

0.3%

10 of 3,436 flights

Diversion Rate

0.4%

14 of 3,436 flights

Explore origin & destination

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

SLC - Salt Lake City

Full on-time, delay-cause, and seasonal performance for Salt Lake City, UT.

SLC 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 SLC and SNA side by side on delays, cancellations, and reliability.

Compare SLC vs SNA

Origin-hub reliability standing

Mid-pack among SLC departures

From SLC, this corridor sits with 31 other 75–85% on-time routes out of 85 tracked departures, not the hub's reliability leaders (54 at ≥85%) and not the softest ( 0 below 75%). Destination: Santa Ana · fleet on-time rank #1314 of 4927.

What the Data Says About SLC to SNA

Bureau of Transportation Statistics records show Salt Lake City to Santa Ana (SLC to SNA) running a 84.8% on-time rate over 10,615 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 68.0 minutes. The 588-mile corridor is served by 7 carriers, and over the last 24 months 0.3% of 3,436 flights were cancelled, 0.4% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 93% on-time, while Jan 2024 came in at just 75% - a 17-point swing worth factoring into travel timing.

On the multi-year calendar, SLC–SNA peaks in February at 88.3% on-time while December carries the heaviest traffic (~160 flights per month) ; the softest month is December at 79.6%, a 8.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SLC to SNA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SLC to SNA ranks #1088 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 SLC to SNA? ▼
Flights from Salt Lake City to Santa Ana have a 84.8% on-time rate based on 10,615 flights. The average delay is 68.0 minutes. The best recent month was Oct 2024 with 93% on-time.
What is the cancellation rate for SLC to SNA? ▼
Over the last 24 months, 0.3% of flights on this route were cancelled (10 of 3,436 flights) and 0.4% were diverted.
How far is the flight from SLC to SNA? ▼
The flight distance from Salt Lake City (SLC) to Santa Ana (SNA) is approximately 588 miles. This route is served by 7 carriers.
When is the best time to fly from SLC to SNA? ▼
The best recent month for on-time performance was Oct 2024 (93% on-time). The worst was Jan 2024 (75% on-time). Consider booking during months with historically better performance.

Airports on this route

SLC Airport

Salt Lake City
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 SLC–SNA data

SLC–SNA runs 5.8 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SLC and SNA airport profiles: delay causes and top routes differ even on the same corridor. SLC airport
  • If your dates flex, February (88.3% on-time) beats December (79.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 84.8% 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.