Flight Reliability
DL 1920 · Delta Air Lines
Charlotte → Atlanta (CLT–ATL)
96
Nerd Approved
WanderNerd Reliability Score
- 92%
- Arrive within 15 minutes
- 9 min early
- Average arrival delay
- 0.5%
- Cancelled
- 12 min early
- Median arrival delay
Based on 195 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 1920 arrived on time 96% of the time on Wednesdays. On Sundays: 89%.
Better than the CLT–ATL route average.
DL 1920 arrived on time 92% of the time, versus 82% across the CLT–ATL route.
Better than the Delta Air Lines network average.
DL 1920 arrived on time 92% of the time, versus 81% across the Delta Air Lines network.
Trending in the right direction.
DL 1920 arrived on time 97% of the time over the last three months in the data, compared with 89% in the three months before that.
The breakdown
- Mon89%(28 flights)
- Tue93%(28 flights)
- Wed96%(27 flights)
- Thu89%(28 flights)
- Fri96%(27 flights)
- Sat93%(27 flights)
- Sun89%(28 flights)
94%
Dec
Jun 86% → Dec 94% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 86% | 22 |
| July 2025 | 81% | 31 |
| August 2025 | 90% | 31 |
| September 2025 | 97% | 30 |
| October 2025 | 97% | 31 |
| November 2025 | 100% | 30 |
| December 2025 | 94% | 18 |
- Departures on time
- 92%
- Diverted
- 0.5%
- Flights flown
- 193
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 195 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.