Flight OddsDL1879 SJU → ATL
Delta Air Lines · San Juan, PR to Atlanta, GA · 194 flights observed, 2025-07-01 to 2026-06-30 · 1,547 mi
DL1879 covers more than one route in the data window — the stats below are for SJU → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
96%
Median delay
-10 min
90th percentile
+4 min
Cancellation rate
2%
How often is DL1879 on time?
Across 194 flights on SJU → ATL from 2025-07-01 to 2026-06-30, DL1879 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +4 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 183 | 96% |
| 16-30 min | 5 | 3% |
| 31-60 min | 1 | 1% |
| 61-120 min | 2 | 1% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 94% | -6 min |
| 2025-08 | 3 | 100% | -5 min |
| 2025-12 | 11 | 91% | -9 min |
| 2026-01 | 16 | 94% | -8 min |
| 2026-02 | 17 | 100% | -10 min |
| 2026-03 | 31 | 97% | -11 min |
| 2026-04 | 30 | 97% | -12 min |
| 2026-05 | 30 | 97% | -9 min |
| 2026-06 | 22 | 95% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 31 | 94% |
| Tue | 27 | 93% |
| Wed | 21 | 100% |
| Thu | 23 | 96% |
| Fri | 30 | 97% |
| Sat | 28 | 96% |
| Sun | 31 | 97% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…