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Route · SLC → ATL · 2020–2025 BTS data

Salt Lake City to Atlanta

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SLC to ATL (Salt Lake City to Atlanta) ranks #432 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

84.3%
On-time
+5.3 pts
vs US avg
72 min
Delay when late
17,964
Flights
#432 of 4927
Corpus placement

Cancelled

0.5%

Best Month

Oct 2025 92%

Worst Month

Jun 2025 73%

Distance

1,590 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 252 30 1 0 DL
Nov 2025 242 32 2 0 DL
Oct 2025 253 20 0 0 DL
Sep 2025 241 21 0 0 DL
Aug 2025 250 40 1 1 DL
Jul 2025 249 46 1 1 DL
Jun 2025 241 64 2 1 DL
May 2025 249 39 0 2 DL
Apr 2025 241 56 0 1 DL
Mar 2025 250 39 0 1 DL
Feb 2025 228 38 0 0 DL
Jan 2025 251 26 8 0 DL
Dec 2024 249 33 0 1 DL
Nov 2024 238 21 0 0 DL
Oct 2024 249 29 0 0 DL
Sep 2024 243 38 0 1 DL
Aug 2024 248 37 0 1 DL
Jul 2024 249 59 14 2 DL
Jun 2024 241 36 1 0 DL
May 2024 252 38 1 1 DL
Apr 2024 261 35 0 0 DL
Mar 2024 261 48 0 0 DL
Feb 2024 241 27 1 0 DL,F9
Jan 2024 260 51 0 0 DL,F9

SLC–ATL seasonal on-time pattern

Best: September (88.5%) · weakest: June (79.0%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 82.4%

Strongest calendar month

September

88.5% on-time · ~253 flights/mo

Busiest calendar month

July

~283 flights/mo avg

Weakest calendar month

June

79.0% on-time · ~243 flights/mo

Cancellation Rate

0.5%

32 of 5,939 flights

Diversion Rate

0.2%

13 of 5,939 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

ATL - Atlanta

Full on-time, delay-cause, and seasonal performance for Atlanta, GA.

ATL on-time profile

Compare the two airports

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

Compare SLC vs ATL

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: Atlanta · fleet on-time rank #1489 of 4927.

What the Data Says About SLC to ATL

Bureau of Transportation Statistics records show Salt Lake City to Atlanta (SLC to ATL) running a 84.3% on-time rate over 17,964 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 71.6 minutes. The 1,590-mile corridor is served by 3 carriers, and over the last 24 months 0.5% of 5,939 flights were cancelled, 0.2% diverted.

The monthly split is wide on this route: Oct 2025 posted the strongest performance at 92% on-time, while Jun 2025 came in at just 73% - a 19-point swing worth factoring into travel timing.

On the multi-year calendar, SLC–ATL peaks in September at 88.5% on-time while July carries the heaviest traffic (~283 flights per month) ; the softest month is June at 79.0%, a 9.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SLC to ATL rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SLC to ATL ranks #432 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 ATL? ▼
Flights from Salt Lake City to Atlanta have a 84.3% on-time rate based on 17,964 flights. The average delay is 71.6 minutes. The best recent month was Oct 2025 with 92% on-time.
What is the cancellation rate for SLC to ATL? ▼
Over the last 24 months, 0.5% of flights on this route were cancelled (32 of 5,939 flights) and 0.2% were diverted.
How far is the flight from SLC to ATL? ▼
The flight distance from Salt Lake City (SLC) to Atlanta (ATL) is approximately 1,590 miles. This route is served by 3 carriers.
When is the best time to fly from SLC to ATL? ▼
The best recent month for on-time performance was Oct 2025 (92% on-time). The worst was Jun 2025 (73% on-time). Consider booking during months with historically better performance.

Airports on this route

SLC Airport

Salt Lake City
ATL Airport

Atlanta
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–ATL data

SLC–ATL runs 5.3 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 ATL airport profiles: delay causes and top routes differ even on the same corridor. SLC airport
  • If your dates flex, September (88.5% on-time) beats June (79.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 84.3% 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.