Flight OddsUA4603 MSN → ORD
United Airlines · Madison, WI to Chicago, IL · 122 flights observed, 2025-07-01 to 2026-06-30 · 108 mi
UA4603 covers more than one route in the data window — the stats below are for MSN → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
51%
Median delay
+15 min
90th percentile
+115 min
Cancellation rate
3%
How often is UA4603 on time?
Across 122 flights on MSN → ORD from 2025-07-01 to 2026-06-30, UA4603 arrived within 15 minutes of schedule 51% of the time. The median arrival delay was +15 min, and the worst 10% of flights arrived +115 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 60 | 51% |
| 16-30 min | 16 | 14% |
| 31-60 min | 13 | 11% |
| 61-120 min | 18 | 15% |
| 2+ hrs | 11 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 35% | +59 min |
| 2025-08 | 13 | 92% | -13 min |
| 2025-09 | 3 | 67% | +27 min |
| 2025-12 | 13 | 38% | +66 min |
| 2026-01 | 13 | 31% | +42 min |
| 2026-02 | 6 | 0% | +35 min |
| 2026-05 | 11 | 45% | +30 min |
| 2026-06 | 28 | 75% | +55 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 18 | 56% |
| Tue | 16 | 63% |
| Wed | 15 | 40% |
| Thu | 19 | 32% |
| Fri | 18 | 67% |
| Sat | 14 | 71% |
| Sun | 18 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…