Flight Reliability
DL 3117 · Delta Air Lines
Atlanta → JAN (ATL–JAN)
84
Pretty Reliable
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 1.9%
- Cancelled
- 10 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
DL 3117 arrived on time 96% of the time on Wednesdays and just 73% on Thursdays. That gap is worth planning around.
The breakdown
- Mon79%(52 flights)
- Tue86%(51 flights)
- Wed96%(51 flights)
- Thu73%(52 flights)
- Fri85%(48 flights)
- Sat83%(52 flights)
- Sun85%(52 flights)
87%
May
Jun 63% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 63% | 27 |
| July 2025 | 80% | 30 |
| August 2025 | 87% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 79% | 29 |
| December 2025 | 83% | 30 |
| January 2026 | 83% | 30 |
| February 2026 | 86% | 28 |
| March 2026 | 77% | 31 |
| April 2026 | 93% | 30 |
| May 2026 | 87% | 31 |
- Departures on time
- 83%
- Diverted
- 0%
- Flights flown
- 358
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 365 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.