Which airline is most reliable for ATL (Atlanta) to RDU (Raleigh)?

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

How often are flights delayed from ATL to RDU?

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

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

When flights from ATL to RDU are delayed, the average delay is approximately 58 minutes.

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

With 80% of ATL to RDU flights arriving on time and an average delay of 58 minutes when late, a connection under 60 minutes at RDU is risky. We recommend at least 75-90 minutes for domestic connections after this route.

ATL → RDU

ATL (Atlanta) to RDU (Raleigh)

ATL (Atlanta) to RDU (Raleigh) 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 58 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated October 2026.

ATL → RDU on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

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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 is significantly more reliable on this route at 83% on time vs Frontier Airlines at 66%.

Airline Comparison

Delta Air Lines leads at 83% on time; Frontier Airlines trails at 66%.

Accurate?

Good to know

Departing from ATL

81% on time

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

TSA is currently ~10 min. Best time: 4 AM (about 5 min).

More about ATL →

Arriving at RDU

79% on time

When flights into RDU are late, the average delay is 74 minutes. Build buffer if you have ground plans.

If connecting at RDU: TSA is ~14 min right now. Allow at least 60 minutes for a domestic connection.

More about RDU →Connection times at RDU →

Flight cancelled or delayed?

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ATL Airport RDU Airport

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