LAS → IAD United Airlines
United Airlines · Las Vegas, NV to Washington, DC · 1,011 flights, 2025-07-01 to 2026-06-30 · aggregated across 13 flight numbers
On-time arrival
89%
Median delay
-14 min
90th percentile
+17 min
Cancellation rate
1%
How on-time is United Airlines from LAS to IAD?
Across every United Airlines flight number on LAS → IAD (1,011 flights, 2025-07-01 to 2026-06-30), 89% arrived within 15 minutes of schedule. Median arrival delay -14 min; the worst 10% ran +17 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 890 | 89% |
| 16-30 min | 49 | 5% |
| 31-60 min | 31 | 3% |
| 61-120 min | 17 | 2% |
| 2+ hrs | 12 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 91 | 80% | +2 min |
| 2025-08 | 93 | 90% | -8 min |
| 2025-09 | 90 | 94% | -13 min |
| 2025-10 | 93 | 95% | -17 min |
| 2025-11 | 89 | 88% | -3 min |
| 2025-12 | 92 | 90% | -11 min |
| 2026-01 | 87 | 90% | -10 min |
| 2026-02 | 73 | 95% | -14 min |
| 2026-03 | 79 | 85% | +2 min |
| 2026-04 | 80 | 91% | -14 min |
| 2026-05 | 74 | 88% | -11 min |
| 2026-06 | 58 | 81% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 146 | 90% |
| Tue | 133 | 93% |
| Wed | 141 | 88% |
| Thu | 146 | 88% |
| Fri | 150 | 89% |
| Sat | 139 | 89% |
| Sun | 144 | 85% |
UA flight numbers on LAS → IAD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…