About 1 in 2 UA 630 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (43%); 2.6% were cancelled. The typical flight landed 7 minutes late.
UA 630: ORD → MSN
Scheduled to leave Chicago at 10:00 p.m. local time. Over the past year it arrived on time 57% of the time (308 flights), worse than other UA flights on the route at that hour (63%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Chicago to Madison (75% of days). United Airlines's last ORD–MSN flight was cancelled 3.6% of the time, against 3.0% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 8:45 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 45 | 53% |
| Tuesday | 45 | 53% |
| Wednesday | 45 | 60% |
| Thursday | 42 | 64% |
| Friday | 44 | 57% |
| Saturday | 43 | 63% |
| Sunday | 44 | 52% |
Why it was late
All flights ORD → MSN · Connecting off UA 630? Check the risk
UA 630: RDU → ORD
Scheduled to leave Raleigh at 5:12 p.m. local time. Over the past year it arrived on time 41% of the time (134 flights), in line with other UA flights on the route at that hour (44%). Last seen in the data Aug 10, 2026.
Usually United Airlines's last flight of the day from Raleigh to Chicago (100% of days). United Airlines's last RDU–ORD flight was cancelled 1.6% of the time, against 1.8% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 8:05 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 20 | 35% |
| Tuesday | 19 | — |
| Wednesday | 19 | — |
| Thursday | 20 | 35% |
| Friday | 20 | 45% |
| Saturday | 16 | — |
| Sunday | 20 | 50% |
Why it was late
All flights RDU → ORD · Connecting off UA 630? Check the risk
Questions
How often is UA 630 from ORD to MSN late?
United Airlines 630 from Chicago, IL to Madison, WI arrived 15 or more minutes late, was diverted or was cancelled on 43% of 308 scheduled flights between September 2025 and August 2026. 2.6% were cancelled.
How often is UA 630 from RDU to ORD late?
United Airlines 630 from Raleigh/Durham, NC to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 59% of 134 scheduled flights between September 2025 and August 2026. 3.0% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.