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Route Reliability

GRB → Atlanta

GRB–ATL · 774 miles · GRB Airport to Hartsfield–Jackson Atlanta International Airport

88
Pretty Reliable
WanderNerd Reliability Score
90%
Arrive within 15 minutes
1 min
Average arrival delay
1.9%
Cancelled
366
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 90% of the time across 366 flights. No comparison to make.

What the data says

Tuesday has been the better bet.

A small edge: 94% on time on Tuesdays against 88% on Sundays.

Ticking up lately.

GRB–ATL flights arrived on time 88% of the time over the last three months in the data, compared with 84% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon88%(51 flights)
  • Tue94%(48 flights)
  • Wed90%(52 flights)
  • Thu90%(51 flights)
  • Fri89%(52 flights)
  • Sat89%(53 flights)
  • Sun88%(50 flights)
On-time by departure window
  • 3–6 AM90%(355 flights)
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM—(1 flights)
On-time trend by month
90%
May

Jun 90% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%29
July 202594%31
August 202597%31
September 2025100%30
October 202590%31
November 202590%29
December 202570%30
January 202690%30
February 202693%27
March 202676%29
April 202697%29
May 202690%31

Keep nerding

Based on 366 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.