Flight Reliability
DL 1959 · Delta Air Lines
Atlanta → Charlotte (ATL–CLT)
73
Usually Fine
WanderNerd Reliability Score
- 75%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 2.1%
- Cancelled
- 9 min early
- Median arrival delay
Based on 190 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
DL 1959 arrived on time 86% of the time on Wednesdays and just 59% on Fridays. That gap is worth planning around.
A bit behind the ATL–CLT route.
DL 1959 arrived on time 75% of the time, versus 80% across the ATL–CLT route.
A bit behind the Delta Air Lines network.
DL 1959 arrived on time 75% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon71%(28 flights)
- Tue64%(28 flights)
- Wed86%(28 flights)
- Thu77%(26 flights)
- Fri59%(27 flights)
- Sat86%(21 flights)
- Sun82%(28 flights)
75%
Dec
Jun 32% → Dec 75% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 32% | 22 |
| July 2025 | 73% | 30 |
| August 2025 | 84% | 31 |
| September 2025 | 87% | 30 |
| October 2025 | 81% | 31 |
| November 2025 | 81% | 26 |
| December 2025 | 75% | 16 |
- Departures on time
- 74%
- Diverted
- 0%
- Flights flown
- 186
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 190 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.