Which airline is most reliable for ATL (Atlanta) to DAL (Dallas)?

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

How often are flights delayed from ATL to DAL?

About 20% of flights from ATL to DAL experience delays. 80% arrive on time.

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

When flights from ATL to DAL are delayed, the average delay is approximately 60 minutes.

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

With 80% of ATL to DAL flights arriving on time and an average delay of 60 minutes when late, a connection under 60 minutes at DAL is risky. We recommend at least 75-90 minutes for domestic connections after this route.

ATL → DAL

ATL (Atlanta) to DAL (Dallas)

ATL (Atlanta) to DAL (Dallas) flights arrive on time 80% of the time. The most reliable airline on this route is Delta Air Lines at 83%. The average delay is 60 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated May 2026.

ATL → DAL on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 80% of flights arrive on schedule.

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

Accurate?

Delta Air Lines edges out Southwest Airlines on this route — 83% vs 77% on time.

Airline Comparison

Delta Air Lines leads at 83% on time; Southwest Airlines trails at 77%.

Accurate?

Good to know

Departing from ATL

83% on time

Expect ~16 min sitting on the taxiway after your gate pushes back. ATL has long runway queues.

TSA is currently ~24 min. Best time: 4 AM (about 5 min).

More about ATL →

Arriving at DAL

78% on time

When flights into DAL are late, the average delay is 55 minutes. Build buffer if you have ground plans.

If connecting at DAL: TSA is ~21 min right now. Allow at least 60 minutes for a domestic connection.

DAL has a 2.1% cancellation rate — keep the airline app handy for rebooking.

More about DAL →Connection times at DAL →

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