Flight OddsUnited Airlines · Raleigh/Durham, NC to Washington, DC · 118 flights observed, 2026-03-05 to 2026-06-30 · 225 mi
UA1535 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 UA1535 on time?
Across 118 flights on RDU → IAD from 2026-03-05 to 2026-06-30, UA1535 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +1 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 | 112 | 95% |
| 16-30 min | 3 | 3% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 27 | 93% | -7 min |
| 2026-04 | 30 | 97% | -11 min |
| 2026-05 | 31 | 100% | -14 min |
| 2026-06 | 30 | 90% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 17 | 94% |
| Tue | 17 | 100% |
| Wed | 16 | 100% |
| Thu | 17 | 100% |
| Fri | 17 | 88% |
| Sat | 17 | 94% |
| Sun | 17 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…