Which airline is most reliable for ATL (Atlanta) to SLC (Salt Lake City)?

The most reliable airline on the ATL to SLC route is Delta Air Lines, with an on-time arrival rate of 83%.

How often are flights delayed from ATL to SLC?

About 17% of flights from ATL to SLC experience delays. 83% arrive on time.

What's the average delay on ATL to SLC flights?

When flights from ATL to SLC are delayed, the average delay is approximately 61 minutes.

Is a short connection safe after a ATL to SLC flight?

With 83% of ATL to SLC flights arriving on time and an average delay of 61 minutes when late, a connection under 60 minutes at SLC is risky. We recommend at least 75-90 minutes for domestic connections after this route.

ATL → SLC

ATL (Atlanta) to SLC (Salt Lake City)

ATL (Atlanta) to SLC (Salt Lake City) flights arrive on time 83% of the time. The most reliable airline on this route is Delta Air Lines at 83%. The average delay is 61 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated July 2026.

ATL → SLC on-time performance by month

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This route is on time most of the time. About 83% of flights arrive on schedule.

Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Accurate?

Good to know

Departing from ATL

80% on time

Expect ~17 min sitting on the taxiway after your gate pushes back. ATL has long runway queues.

TSA is currently ~31 min. Best time: 4 AM (about 5 min).

More about ATL →

Arriving at SLC

85% on time

When flights into SLC are late, the average delay is 70 minutes. Build buffer if you have ground plans.

If connecting at SLC: TSA is ~12 min right now. Allow at least 60 minutes for a domestic connection.

More about SLC →Connection times at SLC →

Flight cancelled or delayed?

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ATL Airport SLC Airport

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Data last updated July 2026. Source: Bureau of Transportation Statistics.