Flight OddsUA1323 IAD → LAS
United Airlines · Washington, DC to Las Vegas, NV · 317 flights observed, 2025-07-01 to 2026-05-20 · 2,065 mi
UA1323 covers more than one route in the data window — the stats below are for IAD → LAS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
94%
Median delay
-16 min
90th percentile
+6 min
Cancellation rate
1%
How often is UA1323 on time?
Across 317 flights on IAD → LAS from 2025-07-01 to 2026-05-20, UA1323 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +6 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 | 295 | 94% |
| 16-30 min | 10 | 3% |
| 31-60 min | 4 | 1% |
| 61-120 min | 1 | 0% |
| 2+ hrs | 4 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 87% | -8 min |
| 2025-08 | 31 | 87% | -3 min |
| 2025-09 | 30 | 97% | -18 min |
| 2025-10 | 31 | 100% | -14 min |
| 2025-11 | 30 | 97% | -10 min |
| 2025-12 | 31 | 84% | -1 min |
| 2026-01 | 29 | 86% | -7 min |
| 2026-02 | 23 | 100% | -18 min |
| 2026-03 | 28 | 100% | -28 min |
| 2026-04 | 30 | 100% | -12 min |
| 2026-05 | 20 | 100% | -20 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 45 | 91% |
| Tue | 44 | 91% |
| Wed | 43 | 98% |
| Thu | 46 | 96% |
| Fri | 46 | 98% |
| Sat | 45 | 93% |
| Sun | 45 | 91% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…