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Route · ATL → SLC · 2020–2025 BTS data

Atlanta to Salt Lake City

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ATL to SLC (Atlanta to Salt Lake City) ranks #435 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

83.3%
On-time
+4.3 pts
vs US avg
59 min
Delay when late
17,947
Flights
#435 of 4927
Corpus placement

Cancelled

0.5%

Best Month

Nov 2024 92%

Worst Month

Jul 2024 70%

Distance

1,590 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 250 52 0 0 DL
Nov 2025 239 34 0 0 DL
Oct 2025 250 43 0 1 DL
Sep 2025 242 24 0 0 DL
Aug 2025 250 50 2 1 DL
Jul 2025 250 55 0 0 DL
Jun 2025 243 70 2 0 DL
May 2025 249 57 0 0 DL
Apr 2025 241 53 0 0 DL
Mar 2025 250 44 0 0 DL
Feb 2025 229 37 0 0 DL
Jan 2025 251 41 8 0 DL
Dec 2024 248 35 0 0 DL
Nov 2024 238 20 0 0 DL
Oct 2024 248 23 0 0 DL
Sep 2024 243 34 0 3 DL
Aug 2024 248 39 0 1 DL
Jul 2024 250 75 16 0 DL
Jun 2024 240 34 1 1 DL
May 2024 253 66 1 0 DL
Apr 2024 257 37 0 0 DL
Mar 2024 262 31 0 0 DL
Feb 2024 240 31 0 0 DL,F9
Jan 2024 257 50 0 0 DL,F9

ATL–SLC seasonal on-time pattern

Best: November (89.0%) · weakest: July (77.4%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 81.9%

Strongest calendar month

November

89.0% on-time · ~237 flights/mo

Busiest calendar month

July

~284 flights/mo avg

Weakest calendar month

July

77.4% on-time · ~284 flights/mo

Cancellation Rate

0.5%

30 of 5,928 flights

Diversion Rate

0.1%

7 of 5,928 flights

Explore origin & destination

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

ATL - Atlanta

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

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

Compare ATL vs SLC

Origin-hub reliability standing

Mid-pack among ATL departures

From ATL, this corridor sits with 75 other 75–85% on-time routes out of 144 tracked departures, not the hub's reliability leaders (67 at ≥85%) and not the softest ( 2 below 75%). Destination: Salt Lake City · fleet on-time rank #1822 of 4927.

What the Data Says About ATL to SLC

Bureau of Transportation Statistics records show Atlanta to Salt Lake City (ATL to SLC) running a 83.3% on-time rate over 17,947 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 58.6 minutes. The 1,590-mile corridor is served by 3 carriers, and over the last 24 months 0.5% of 5,928 flights were cancelled, 0.1% diverted.

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 92% on-time, while Jul 2024 came in at just 70% - a 22-point swing worth factoring into travel timing.

On the multi-year calendar, ATL–SLC peaks in November at 89.0% on-time while July carries the heaviest traffic (~284 flights per month) ; the softest month is July at 77.4%, a 11.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ATL to SLC rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, ATL to SLC ranks #435 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 ATL to SLC? ▼
Flights from Atlanta to Salt Lake City have a 83.3% on-time rate based on 17,947 flights. The average delay is 58.6 minutes. The best recent month was Nov 2024 with 92% on-time.
What is the cancellation rate for ATL to SLC? ▼
Over the last 24 months, 0.5% of flights on this route were cancelled (30 of 5,928 flights) and 0.1% were diverted.
How far is the flight from ATL to SLC? ▼
The flight distance from Atlanta (ATL) to Salt Lake City (SLC) is approximately 1,590 miles. This route is served by 3 carriers.
When is the best time to fly from ATL to SLC? ▼
The best recent month for on-time performance was Nov 2024 (92% on-time). The worst was Jul 2024 (70% on-time). Consider booking during months with historically better performance.

Airports on this route

ATL Airport

Atlanta
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 ATL–SLC data

ATL–SLC runs 4.3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare ATL and SLC airport profiles: delay causes and top routes differ even on the same corridor. ATL airport
  • If your dates flex, November (89.0% on-time) beats July (77.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 83.3% 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.