Flight OddsDL1791 ATL → SJU
Delta Air Lines · Atlanta, GA to San Juan, PR · 208 flights observed, 2025-07-01 to 2026-06-29 · 1,547 mi
DL1791 covers more than one route in the data window — the stats below are for ATL → SJU, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
68%
Median delay
+4 min
90th percentile
+53 min
Cancellation rate
0%
How often is DL1791 on time?
Across 208 flights on ATL → SJU from 2025-07-01 to 2026-06-29, DL1791 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +53 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 141 | 68% |
| 16-30 min | 22 | 11% |
| 31-60 min | 28 | 14% |
| 61-120 min | 9 | 4% |
| 2+ hrs | 7 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 65% | +22 min |
| 2025-08 | 3 | 33% | +17 min |
| 2025-12 | 12 | 67% | +7 min |
| 2026-01 | 20 | 70% | +23 min |
| 2026-02 | 28 | 79% | +5 min |
| 2026-03 | 31 | 65% | +27 min |
| 2026-04 | 30 | 70% | +9 min |
| 2026-05 | 31 | 65% | +23 min |
| 2026-06 | 21 | 71% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 28 | 68% |
| Tue | 25 | 76% |
| Wed | 25 | 72% |
| Thu | 32 | 72% |
| Fri | 32 | 63% |
| Sat | 32 | 75% |
| Sun | 33 | 55% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…