Flight OddsUA635 IAD → RDU
United Airlines · Washington, DC to Raleigh/Durham, NC · 24 flights observed, 2026-03-05 to 2026-03-28 · 225 mi
UA635 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”.
On-time arrival
92%
Median delay
-3 min
90th percentile
+11 min
Cancellation rate
0%
How often is UA635 on time?
Across 24 flights on IAD → RDU from 2026-03-05 to 2026-03-28, UA635 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +11 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 | 22 | 92% |
| 16-30 min | 0 | 0% |
| 31-60 min | 2 | 8% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 24 | 92% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | 3 | 100% |
| Wed | 3 | 100% |
| Thu | 4 | 75% |
| Fri | 4 | 100% |
| Sat | 4 | 75% |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…