Flight OddsUnited Airlines · Raleigh/Durham, NC to Washington, DC · 88 flights observed, 2025-10-26 to 2026-02-11 · 225 mi
UA1257 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 UA1257 on time?
Across 88 flights on RDU → IAD from 2025-10-26 to 2026-02-11, UA1257 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +18 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 | 75 | 88% |
| 16-30 min | 8 | 9% |
| 31-60 min | 1 | 1% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 100% | -14 min |
| 2025-11 | 29 | 97% | -3 min |
| 2025-12 | 17 | 76% | +2 min |
| 2026-01 | 24 | 83% | +7 min |
| 2026-02 | 9 | 89% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 82% |
| Tue | 14 | 93% |
| Wed | 13 | 85% |
| Thu | 12 | 92% |
| Fri | 12 | 75% |
| Sat | 12 | 100% |
| Sun | 11 | 91% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…