Route Reliability
Atlanta → GRB
ATL–GRB · 774 miles · Hartsfield–Jackson Atlanta International Airport to GRB Airport
75
Usually Fine
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 7 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 79% of the time across 366 flights. No comparison to make.
What the data says
Sunday scaries are real for this one.
ATL–GRB flights arrived on time 92% of the time on Tuesdays and just 65% on Sundays. That gap is worth planning around.
Slipping a little lately.
ATL–GRB flights arrived on time 74% of the time over the last three months in the data, compared with 81% in the three months before that.
Flights on this route
The breakdown
- Mon74%(49 flights)
- Tue92%(52 flights)
- Wed86%(51 flights)
- Thu78%(51 flights)
- Fri80%(49 flights)
- Sat79%(52 flights)
- Sun65%(51 flights)
- 9 AM–12 PM—(2 flights)
- 6–9 PM—(4 flights)
- 9 PM–12 AM79%(349 flights)
61%
May
Jun 59% → May 61% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 59% | 29 |
| July 2025 | 87% | 31 |
| August 2025 | 84% | 31 |
| September 2025 | 90% | 30 |
| October 2025 | 87% | 30 |
| November 2025 | 80% | 30 |
| December 2025 | 73% | 30 |
| January 2026 | 83% | 30 |
| February 2026 | 85% | 27 |
| March 2026 | 70% | 27 |
| April 2026 | 90% | 29 |
| May 2026 | 61% | 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.