Flight OddsUA5559 MKE → ORD
United Airlines · Milwaukee, WI to Chicago, IL · 45 flights observed, 2026-03-05 to 2026-05-20 · 67 mi
UA5559 covers more than one route in the data window — the stats below are for MKE → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
63%
Median delay
+1 min
90th percentile
+143 min
Cancellation rate
4%
How often is UA5559 on time?
Across 45 flights on MKE → ORD from 2026-03-05 to 2026-05-20, UA5559 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +143 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 27 | 63% |
| 16-30 min | 1 | 2% |
| 31-60 min | 7 | 16% |
| 61-120 min | 2 | 5% |
| 2+ hrs | 6 | 14% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 23 | 48% | +83 min |
| 2026-04 | 1 | 100% | -12 min |
| 2026-05 | 19 | 79% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 5 | 80% |
| Wed | 6 | 33% |
| Thu | 7 | 57% |
| Fri | 7 | 71% |
| Sat | 7 | 71% |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…