Flight OddsUnited Airlines · Washington, DC to Raleigh/Durham, NC · 21 flights observed, 2025-07-01 to 2025-08-30 · 225 mi
UA6158 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 UA6158 on time?
Across 21 flights on IAD → RDU from 2025-07-01 to 2025-08-30, UA6158 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +81 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 16 | 80% |
| 16-30 min | 1 | 5% |
| 31-60 min | 0 | 0% |
| 61-120 min | 2 | 10% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 8 | 63% | +38 min |
| 2025-08 | 12 | 92% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 6 | 50% |
| Wed | 2 | 100% |
| Thu | 2 | 100% |
| Fri | 2 | 100% |
| Sat | 2 | 100% |
| Sun | 1 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…