Flight OddsUA4523 IAD → CLT
United Airlines · Washington, DC to Charlotte, NC · 7 flights observed, 2025-12-20 to 2026-03-30 · 322 mi
UA4523 covers more than one route in the data window — the stats below are for IAD → CLT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
71%
Median delay
-11 min
90th percentile
+39 min
Cancellation rate
0%
How often is UA4523 on time?
Across 7 flights on IAD → CLT from 2025-12-20 to 2026-03-30, UA4523 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +39 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 5 | 71% |
| 16-30 min | 1 | 14% |
| 31-60 min | 1 | 14% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 4 | 75% | -6 min |
| 2026-01 | 2 | 100% | -5 min |
| 2026-03 | 1 | 0% | +53 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 1 | 0% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 3 | 67% |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…