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Route Reliability

Raleigh–Durham → Atlanta

RDU–ATL · 356 miles · Raleigh–Durham International Airport to Hartsfield–Jackson Atlanta International Airport

88
Pretty Reliable
WanderNerd Reliability Score
87%
Arrive within 15 minutes
1 min
Average arrival delay
1.6%
Cancelled
4,620
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Southwest Airlines90%277 flights
  2. 2.Delta Air Lines89%3,808 flights
  3. 3.Frontier Airlines72%535 flights

What the data says

Morning-you made the right choice.

RDU–ATL flights departing between 9 AM–12 PM arrived on time 94% of the time, versus 79% between 6–9 PM.

Sunday scaries are real for this one.

RDU–ATL flights arrived on time 91% of the time on Wednesdays. On Sundays: 83%.

Southwest Airlines has a clear lead on this route.

Southwest Airlines arrived on time 90% of the time on this route; Frontier Airlines managed 72%.

Slipping a little lately.

RDU–ATL flights arrived on time 85% of the time over the last three months in the data, compared with 88% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon87%(684 flights)
  • Tue87%(612 flights)
  • Wed91%(619 flights)
  • Thu89%(689 flights)
  • Fri86%(681 flights)
  • Sat85%(578 flights)
  • Sun83%(677 flights)
On-time by departure window
  • 3–6 AM94%(344 flights)
  • 6–9 AM88%(1273 flights)
  • 9 AM–12 PM94%(762 flights)
  • 12–3 PM88%(810 flights)
  • 3–6 PM80%(794 flights)
  • 6–9 PM79%(554 flights)
  • 9 PM–12 AM—(3 flights)
On-time trend by month
88%
May

Jun 78% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%379
July 202583%394
August 202590%397
September 202596%401
October 202589%422
November 202588%389
December 202582%387
January 202692%333
February 202691%323
March 202680%361
April 202688%369
May 202688%385

Keep nerding

Based on 4,620 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.