UA284 LAS → IAD
United Airlines · Las Vegas, NV to Washington, DC · 217 flights observed, 2025-07-01 to 2026-02-11 · 2,065 mi
UA284 covers more than one route in the data window — the stats below are for LAS → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
93%
Median delay
-16 min
90th percentile
+7 min
Cancellation rate
1%
How often is UA284 on time?
Across 217 flights on LAS → IAD from 2025-07-01 to 2026-02-11, UA284 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +7 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 199 | 93% |
| 16-30 min | 7 | 3% |
| 31-60 min | 4 | 2% |
| 61-120 min | 4 | 2% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 87% | -5 min |
| 2025-08 | 31 | 94% | -8 min |
| 2025-09 | 30 | 97% | -17 min |
| 2025-10 | 31 | 100% | -19 min |
| 2025-11 | 29 | 83% | -4 min |
| 2025-12 | 30 | 90% | -11 min |
| 2026-01 | 25 | 96% | -15 min |
| 2026-02 | 9 | 100% | -14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 32 | 94% |
| Tue | 27 | 100% |
| Wed | 33 | 97% |
| Thu | 30 | 83% |
| Fri | 31 | 97% |
| Sat | 31 | 94% |
| Sun | 31 | 84% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…