Flight Reliability
DL 2624 · Delta Air Lines
Atlanta → Louisville (ATL–SDF)
81
Pretty Reliable
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 2.7%
- Cancelled
- 7 min early
- Median arrival delay
Based on 339 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
DL 2624 arrived on time 92% of the time on Saturdays and just 71% on Mondays. That gap is worth planning around.
Slipping a little lately.
DL 2624 arrived on time 84% of the time over the last three months in the data, compared with 91% in the three months before that.
The breakdown
- Mon71%(49 flights)
- Tue77%(43 flights)
- Wed89%(44 flights)
- Thu89%(47 flights)
- Fri81%(47 flights)
- Sat92%(50 flights)
- Sun84%(50 flights)
83%
May
Jun 61% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 61% | 28 |
| July 2025 | 73% | 30 |
| August 2025 | 82% | 22 |
| September 2025 | 88% | 17 |
| October 2025 | 93% | 28 |
| November 2025 | 78% | 27 |
| December 2025 | 87% | 30 |
| January 2026 | 93% | 30 |
| February 2026 | 93% | 28 |
| March 2026 | 77% | 30 |
| April 2026 | 93% | 30 |
| May 2026 | 83% | 30 |
- Departures on time
- 86%
- Diverted
- 0%
- Flights flown
- 330
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 339 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.