Flight OddsIAD → SJU United Airlines
United Airlines · Washington, DC to San Juan, PR · 609 flights, 2025-07-01 to 2026-06-30 · aggregated across 2 flight numbers
On-time arrival
81%
Median delay
-6 min
90th percentile
+34 min
Cancellation rate
0%
How on-time is United Airlines from IAD to SJU?
Across every United Airlines flight number on IAD → SJU (609 flights, 2025-07-01 to 2026-06-30), 81% arrived within 15 minutes of schedule. Median arrival delay -6 min; the worst 10% ran +34 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 493 | 81% |
| 16-30 min | 46 | 8% |
| 31-60 min | 39 | 6% |
| 61-120 min | 19 | 3% |
| 2+ hrs | 8 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 39 | 77% | +18 min |
| 2025-08 | 37 | 76% | +5 min |
| 2025-09 | 13 | 77% | -6 min |
| 2025-10 | 37 | 84% | -4 min |
| 2025-11 | 60 | 75% | +9 min |
| 2025-12 | 62 | 71% | +9 min |
| 2026-01 | 59 | 81% | +8 min |
| 2026-02 | 55 | 80% | +4 min |
| 2026-03 | 61 | 82% | +1 min |
| 2026-04 | 60 | 90% | -9 min |
| 2026-05 | 62 | 94% | -9 min |
| 2026-06 | 60 | 85% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 85 | 80% |
| Tue | 85 | 81% |
| Wed | 82 | 90% |
| Thu | 84 | 85% |
| Fri | 84 | 82% |
| Sat | 93 | 76% |
| Sun | 92 | 77% |
UA flight numbers on IAD → SJU
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…