United Airlines · Greensboro/High Point, NC to Washington, DC · 185 flights observed, 2025-07-01 to 2026-03-28 · 239 mi
UA4284 covers more than one route in the data window — the stats below are for GSO → IAD, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA4284 on time?
Across 185 flights on GSO → IAD from 2025-07-01 to 2026-03-28, UA4284 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +39 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 148 | 83% |
| 16-30 min | 8 | 4% |
| 31-60 min | 9 | 5% |
| 61-120 min | 5 | 3% |
| 2+ hrs | 8 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 15 | 80% | +21 min |
| 2025-08 | 23 | 87% | -6 min |
| 2025-09 | 24 | 96% | -13 min |
| 2025-10 | 5 | 60% | +7 min |
| 2025-11 | 24 | 83% | -6 min |
| 2025-12 | 17 | 65% | +16 min |
| 2026-01 | 20 | 90% | -12 min |
| 2026-02 | 24 | 83% | -7 min |
| 2026-03 | 26 | 81% | +39 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 29 | 79% |
| Tue | 32 | 88% |
| Wed | 25 | 80% |
| Thu | 29 | 97% |
| Fri | 24 | 75% |
| Sat | 16 | 81% |
| Sun | 23 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…