Flight Reliability
DL 3215 · Delta Air Lines
LEX → Atlanta (LEX–ATL)
95
Nerd Approved
WanderNerd Reliability Score
- 93%
- Arrive within 15 minutes
- 11 min early
- Average arrival delay
- 1.0%
- Cancelled
- 16 min early
- Median arrival delay
Based on 195 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
DL 3215 arrived on time 100% of the time on Saturdays and just 75% on Mondays. That gap is worth planning around.
A bit ahead of the LEX–ATL route.
DL 3215 arrived on time 93% of the time, versus 87% across the LEX–ATL route.
Better than the Delta Air Lines network average.
DL 3215 arrived on time 93% of the time, versus 81% across the Delta Air Lines network.
Recent months have been rougher.
DL 3215 arrived on time 87% of the time over the last three months in the data, compared with 95% in the three months before that.
The breakdown
- Mon75%(28 flights)
- Tue89%(28 flights)
- Wed96%(28 flights)
- Thu96%(28 flights)
- Fri96%(28 flights)
- Sat100%(26 flights)
- Sun96%(26 flights)
67%
Dec
Jun 96% → Dec 67% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 96% | 23 |
| July 2025 | 90% | 30 |
| August 2025 | 94% | 31 |
| September 2025 | 100% | 30 |
| October 2025 | 97% | 31 |
| November 2025 | 97% | 29 |
| December 2025 | 67% | 18 |
- Departures on time
- 94%
- Diverted
- 0.5%
- Flights flown
- 192
- 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.