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Route · SNA → SLC · 2020–2025 BTS data

Santa Ana to Salt Lake City

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SNA to SLC (Santa Ana to Salt Lake City) ranks #1086 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

86.1%
On-time
+7.1 pts
vs US avg
92 min
Delay when late
10,622
Flights
#1086 of 4927
Corpus placement

Cancelled

0.4%

Best Month

Feb 2024 93%

Worst Month

Jul 2024 79%

Distance

588 mi

Carriers

7

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 160 33 1 0 DL,F9
Nov 2025 152 20 5 0 DL,F9,G4,OO
Oct 2025 157 19 0 1 DL,F9
Sep 2025 146 23 0 0 DL
Aug 2025 147 15 0 0 DL
Jul 2025 147 21 0 0 DL,OO
Jun 2025 144 20 1 0 OO,DL
May 2025 149 19 0 0 OO,DL
Apr 2025 146 20 1 0 DL,OO
Mar 2025 144 14 0 0 DL,OO
Feb 2025 112 15 0 0 DL
Jan 2025 128 22 1 0 DL
Dec 2024 150 27 0 0 DL
Nov 2024 139 16 0 0 DL
Oct 2024 148 15 0 0 DL
Sep 2024 143 19 0 1 DL
Aug 2024 149 24 0 1 DL
Jul 2024 147 31 4 0 DL
Jun 2024 144 17 0 0 DL
May 2024 150 20 0 0 DL
Apr 2024 146 23 0 0 DL
Mar 2024 143 15 0 0 DL
Feb 2024 116 8 0 0 DL
Jan 2024 130 20 0 0 DL,WN

SNA–SLC seasonal on-time pattern

Best: May (89.6%) · weakest: December (81.1%)

80%82%84%86%88%90%92% JanFebMarAprMayJunJulAugSepOctNovDec 81.1%

Strongest calendar month

May

89.6% on-time · ~140 flights/mo

Busiest calendar month

December

~160 flights/mo avg

Weakest calendar month

December

81.1% on-time · ~160 flights/mo

Cancellation Rate

0.4%

13 of 3,437 flights

Diversion Rate

0.1%

3 of 3,437 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 profile

SLC - Salt Lake City

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

SLC on-time profile

Compare the two airports

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

Compare SNA vs SLC

Origin-hub reliability standing

Among SNA's stronger departures

SNA → SLC posts a 86.1% on-time rate, landing in the ≥85% band with 8 of 24 BTS-tracked routes leaving Santa Ana. The same hub also shows 12 mid-band and 4 challenged departures · fleet-wide on-time rank #891 of 4927 (highest on-time = #1).

What the Data Says About SNA to SLC

Santa Ana to Salt Lake City (SNA to SLC) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.1% on-time rate across 10,622 flights, with delays that do happen averaging 92.3 minutes. The corridor runs roughly 588 miles and is served by 7 carriers. Over the most recent 24 months, 13 of 3,437 flights were cancelled (0.4%) and 3 diverted (0.1%).

Monthly performance varies moderately here: Feb 2024 was the strongest month at 93% on-time versus Jul 2024 at 79%, a 14-point difference.

On the multi-year calendar, SNA–SLC peaks in May at 89.6% on-time while December carries the heaviest traffic (~160 flights per month) ; the softest month is December at 81.1%, a 8.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SNA to SLC rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SNA to SLC ranks #1086 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 SNA to SLC? ▼
Flights from Santa Ana to Salt Lake City have a 86.1% on-time rate based on 10,622 flights. The average delay is 92.3 minutes. The best recent month was Feb 2024 with 93% on-time.
What is the cancellation rate for SNA to SLC? ▼
Over the last 24 months, 0.4% of flights on this route were cancelled (13 of 3,437 flights) and 0.1% were diverted.
How far is the flight from SNA to SLC? ▼
The flight distance from Santa Ana (SNA) to Salt Lake City (SLC) is approximately 588 miles. This route is served by 7 carriers.
When is the best time to fly from SNA to SLC? ▼
The best recent month for on-time performance was Feb 2024 (93% on-time). The worst was Jul 2024 (79% on-time). Consider booking during months with historically better performance.

Airports on this route

SNA Airport

Santa Ana
SLC Airport

Salt Lake City
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–SLC data

SNA–SLC runs 7.1 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SNA and SLC airport profiles: delay causes and top routes differ even on the same corridor. SNA airport
  • If your dates flex, May (89.6% on-time) beats December (81.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 86.1% 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.