Flight Reliability
DL 3131 · Delta Air Lines
Atlanta → Panama City (ATL–ECP)
81
Pretty Reliable
WanderNerd Reliability Score
- 82%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 1.1%
- Cancelled
- 7 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 3131 arrived on time 90% of the time on Thursdays and just 74% on Sundays. That gap is worth planning around.
Slipping a little lately.
DL 3131 arrived on time 84% of the time over the last three months in the data, compared with 88% in the three months before that.
The breakdown
- Mon80%(51 flights)
- Tue88%(51 flights)
- Wed78%(50 flights)
- Thu90%(51 flights)
- Fri76%(50 flights)
- Sat86%(51 flights)
- Sun74%(53 flights)
84%
May
Jun 59% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 59% | 29 |
| July 2025 | 61% | 31 |
| August 2025 | 84% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 78% | 27 |
| December 2025 | 87% | 31 |
| January 2026 | 81% | 31 |
| February 2026 | 96% | 28 |
| March 2026 | 86% | 29 |
| April 2026 | 82% | 28 |
| May 2026 | 84% | 31 |
- Departures on time
- 82%
- Diverted
- 1.1%
- Flights flown
- 357
- 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.