Flight Reliability
DL 3111 · Delta Air Lines
Atlanta → BTR (ATL–BTR)
84
Pretty Reliable
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 0 min
- Average arrival delay
- 1.3%
- Cancelled
- 10 min early
- Median arrival delay
Based on 154 historical flights. Data through May 2026.
What the data says
Monday has been the better bet.
A small edge: 86% on time on Mondays against 80% on Fridays.
A bit ahead of the ATL–BTR route.
DL 3111 arrived on time 84% of the time, versus 81% across the ATL–BTR route.
The breakdown
- Mon86%(22 flights)
- Tue82%(22 flights)
- Wed86%(22 flights)
- Thu86%(22 flights)
- Fri80%(20 flights)
- Sat86%(21 flights)
- Sun82%(22 flights)
- 6–9 PM—(6 flights)
- 9 PM–12 AM84%(145 flights)
80%
May
Jan 100% → May 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| January 2026 | 100% | 26 |
| February 2026 | 86% | 28 |
| March 2026 | 73% | 30 |
| April 2026 | 83% | 30 |
| May 2026 | 80% | 30 |
- Departures on time
- 84%
- Diverted
- 0.6%
- Flights flown
- 151
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 154 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.