Flight OddsUnited Airlines · Raleigh/Durham, NC to Washington, DC · 138 flights observed, 2026-02-12 to 2026-06-30 · 225 mi
UA1789 covers more than one route in the data window — the stats below are for RDU → IAD, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA1789 on time?
Across 138 flights on RDU → IAD from 2026-02-12 to 2026-06-30, UA1789 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived 0 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 | 131 | 96% |
| 16-30 min | 1 | 1% |
| 31-60 min | 2 | 1% |
| 61-120 min | 2 | 1% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 17 | 100% | -11 min |
| 2026-03 | 30 | 93% | -5 min |
| 2026-04 | 30 | 93% | -11 min |
| 2026-05 | 30 | 97% | -12 min |
| 2026-06 | 29 | 100% | -11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 20 | 95% |
| Tue | 19 | 100% |
| Wed | 19 | 100% |
| Thu | 20 | 95% |
| Fri | 19 | 95% |
| Sat | 20 | 100% |
| Sun | 19 | 89% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…