Flight OddsUnited Airlines · Washington, DC to Raleigh/Durham, NC · 30 flights observed, 2026-05-21 to 2026-06-24 · 225 mi
UA4045 covers more than one route in the data window — the stats below are for IAD → RDU, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA4045 on time?
Across 30 flights on IAD → RDU from 2026-05-21 to 2026-06-24, UA4045 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +25 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 | 23 | 77% |
| 16-30 min | 5 | 17% |
| 31-60 min | 1 | 3% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 9 | 67% | +5 min |
| 2026-06 | 21 | 81% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 5 | 80% |
| Wed | 5 | 100% |
| Thu | 5 | 60% |
| Fri | 5 | 80% |
| Sat | No data | — |
| Sun | 5 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…