Which airline is most reliable for ORD (Chicago) to SLC (Salt Lake City)?

The most reliable airline on the ORD to SLC route is Delta Air Lines, with an on-time arrival rate of 79%.

How often are flights delayed from ORD to SLC?

About 24% of flights from ORD to SLC experience delays. 76% arrive on time.

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

When flights from ORD to SLC are delayed, the average delay is approximately 79 minutes.

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

With 76% of ORD to SLC flights arriving on time and an average delay of 79 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.

ORD → SLC

ORD (Chicago) to SLC (Salt Lake City)

ORD (Chicago) to SLC (Salt Lake City) flights arrive on time 76% of the time. The most reliable airline on this route is Delta Air Lines at 79%. The average delay is 79 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated October 2026.

ORD → SLC on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 76% of flights arrive on schedule.

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

Accurate?

Delta Air Lines is significantly more reliable on this route at 79% on time vs Frontier Airlines at 54%.

Airline Comparison

Delta Air Lines leads at 79% on time; Frontier Airlines trails at 54%.

Accurate?

Good to know

Departing from ORD

77% on time

Expect ~22 min sitting on the taxiway after your gate pushes back. ORD has long runway queues.

TSA is currently ~23 min. Best time: 4 AM (about 5 min).

More about ORD →

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 ~21 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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Flying out of ORD? We'll brief you.

Delays, TSA, weather, gates — we'll let you know if something matters.

ORD Airport SLC Airport

Check the return: SLC → ORD

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