Flight OddsUA630 RDU → ORD
United Airlines · Raleigh/Durham, NC to Chicago, IL · 93 flights observed, 2026-03-05 to 2026-06-30 · 646 mi
UA630 covers more than one route in the data window — the stats below are for RDU → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
50%
Median delay
+16 min
90th percentile
+114 min
Cancellation rate
1%
How often is UA630 on time?
Across 93 flights on RDU → ORD from 2026-03-05 to 2026-06-30, UA630 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +16 min, and the worst 10% of flights arrived +114 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 | 45 | 50% |
| 16-30 min | 16 | 18% |
| 31-60 min | 8 | 9% |
| 61-120 min | 12 | 13% |
| 2+ hrs | 9 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 21 | 38% | +98 min |
| 2026-04 | 29 | 62% | +19 min |
| 2026-05 | 11 | 82% | -5 min |
| 2026-06 | 29 | 34% | +46 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 43% |
| Tue | 13 | 62% |
| Wed | 13 | 38% |
| Thu | 12 | 42% |
| Fri | 14 | 50% |
| Sat | 10 | 60% |
| Sun | 14 | 57% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…