Flight OddsSTT → IAD United Airlines
United Airlines · Charlotte Amalie, VI to Washington, DC · 332 flights, 2025-07-01 to 2026-06-30 · aggregated across 2 flight numbers
On-time arrival
83%
Median delay
-14 min
90th percentile
+36 min
Cancellation rate
2%
How on-time is United Airlines from STT to IAD?
Across every United Airlines flight number on STT → IAD (332 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -14 min; the worst 10% ran +36 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 267 | 83% |
| 16-30 min | 17 | 5% |
| 31-60 min | 15 | 5% |
| 61-120 min | 14 | 4% |
| 2+ hrs | 8 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 86% | -7 min |
| 2025-08 | 18 | 72% | -4 min |
| 2025-09 | 4 | 75% | -9 min |
| 2025-10 | 10 | 90% | -18 min |
| 2025-11 | 30 | 90% | -5 min |
| 2025-12 | 45 | 89% | -7 min |
| 2026-01 | 32 | 75% | +14 min |
| 2026-02 | 27 | 78% | +2 min |
| 2026-03 | 31 | 77% | +4 min |
| 2026-04 | 29 | 86% | -6 min |
| 2026-05 | 33 | 82% | +7 min |
| 2026-06 | 33 | 88% | -11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 46 | 85% |
| Tue | 45 | 82% |
| Wed | 41 | 78% |
| Thu | 44 | 89% |
| Fri | 45 | 87% |
| Sat | 58 | 86% |
| Sun | 42 | 74% |
UA flight numbers on STT → IAD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…