Flight OddsUA4423 ORD → MSN
United Airlines · Chicago, IL to Madison, WI · 25 flights observed, 2026-04-04 to 2026-04-29 · 108 mi
UA4423 covers more than one route in the data window — the stats below are for ORD → MSN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
64%
Median delay
+1 min
90th percentile
+158 min
Cancellation rate
0%
How often is UA4423 on time?
Across 25 flights on ORD → MSN from 2026-04-04 to 2026-04-29, UA4423 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +158 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 | 16 | 64% |
| 16-30 min | 1 | 4% |
| 31-60 min | 2 | 8% |
| 61-120 min | 2 | 8% |
| 2+ hrs | 4 | 16% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 25 | 64% | +39 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | 4 | 25% |
| Wed | 4 | 75% |
| Thu | 3 | 67% |
| Fri | 3 | 67% |
| Sat | 4 | 100% |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…