Flight Reliability
DL 2948 · Delta Air Lines
Atlanta → GRB (ATL–GRB)
75
Usually Fine
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 1.9%
- Cancelled
- 3 min early
- Median arrival delay
Based on 364 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 2948 arrived on time 92% of the time on Tuesdays and just 65% on Sundays. That gap is worth planning around.
Recent months have been rougher.
DL 2948 arrived on time 73% of the time over the last three months in the data, compared with 81% in the three months before that.
The breakdown
- Mon74%(49 flights)
- Tue92%(52 flights)
- Wed86%(51 flights)
- Thu78%(51 flights)
- Fri80%(49 flights)
- Sat78%(50 flights)
- Sun65%(51 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 | 69% | 26 |
| April 2026 | 89% | 28 |
| May 2026 | 61% | 31 |
- Departures on time
- 84%
- Diverted
- 1.1%
- Flights flown
- 353
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 364 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.