Flight OddsDL1861 ATL → SJU
Delta Air Lines · Atlanta, GA to San Juan, PR · 349 flights observed, 2025-07-01 to 2026-06-30 · 1,547 mi
On-time arrival
65%
Median delay
+2 min
90th percentile
+64 min
Cancellation rate
2%
How often is DL1861 on time?
Across 349 flights on ATL → SJU from 2025-07-01 to 2026-06-30, DL1861 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +64 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 | 222 | 65% |
| 16-30 min | 43 | 13% |
| 31-60 min | 42 | 12% |
| 61-120 min | 26 | 8% |
| 2+ hrs | 9 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 47% | +27 min |
| 2025-08 | 30 | 73% | +9 min |
| 2025-09 | 30 | 63% | +19 min |
| 2025-10 | 31 | 71% | +16 min |
| 2025-11 | 29 | 72% | +10 min |
| 2025-12 | 30 | 50% | +25 min |
| 2026-01 | 25 | 76% | +12 min |
| 2026-02 | 17 | 53% | +24 min |
| 2026-03 | 30 | 60% | +38 min |
| 2026-04 | 30 | 60% | +21 min |
| 2026-05 | 30 | 73% | +10 min |
| 2026-06 | 30 | 77% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 67% |
| Tue | 49 | 67% |
| Wed | 49 | 73% |
| Thu | 50 | 56% |
| Fri | 49 | 69% |
| Sat | 48 | 67% |
| Sun | 48 | 54% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…