Flight OddsUA1339 DEN → SJU
United Airlines · Denver, CO to San Juan, PR · 333 flights observed, 2025-07-01 to 2026-06-30 · 2,733 mi
UA1339 covers more than one route in the data window — the stats below are for DEN → SJU, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
-3 min
90th percentile
+35 min
Cancellation rate
0%
How often is UA1339 on time?
Across 333 flights on DEN → SJU from 2025-07-01 to 2026-06-30, UA1339 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +35 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 | 266 | 81% |
| 16-30 min | 24 | 7% |
| 31-60 min | 25 | 8% |
| 61-120 min | 10 | 3% |
| 2+ hrs | 3 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 53% | +32 min |
| 2025-08 | 20 | 50% | +29 min |
| 2025-09 | 9 | 67% | +17 min |
| 2025-10 | 31 | 87% | +1 min |
| 2025-11 | 29 | 93% | -8 min |
| 2025-12 | 31 | 81% | +1 min |
| 2026-01 | 30 | 87% | -2 min |
| 2026-02 | 28 | 86% | -6 min |
| 2026-03 | 29 | 72% | +14 min |
| 2026-04 | 30 | 93% | -12 min |
| 2026-05 | 31 | 97% | -6 min |
| 2026-06 | 30 | 87% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 47 | 87% |
| Tue | 47 | 89% |
| Wed | 44 | 93% |
| Thu | 47 | 79% |
| Fri | 47 | 81% |
| Sat | 51 | 69% |
| Sun | 45 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…