Flight OddsUA3433 ORD → RDU
United Airlines · Chicago, IL to Raleigh/Durham, NC · 30 flights observed, 2025-09-25 to 2026-04-29 · 646 mi
UA3433 covers more than one route in the data window — the stats below are for ORD → RDU, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
86%
Median delay
-13 min
90th percentile
+21 min
Cancellation rate
3%
How often is UA3433 on time?
Across 30 flights on ORD → RDU from 2025-09-25 to 2026-04-29, UA3433 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +21 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 25 | 86% |
| 16-30 min | 3 | 10% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 5 | 100% | -12 min |
| 2025-10 | 18 | 83% | -3 min |
| 2026-04 | 6 | 83% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 1 | 100% |
| Wed | 1 | 0% |
| Thu | 6 | 100% |
| Fri | 6 | 100% |
| Sat | 6 | 67% |
| Sun | 5 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…