Flight OddsUA5121 EAU → ORD
United Airlines · Eau Claire, WI to Chicago, IL · 363 flights observed, 2025-07-01 to 2026-06-30 · 269 mi
UA5121 covers more than one route in the data window — the stats below are for EAU → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
-8 min
90th percentile
+44 min
Cancellation rate
4%
How often is UA5121 on time?
Across 363 flights on EAU → ORD from 2025-07-01 to 2026-06-30, UA5121 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +44 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 | 279 | 81% |
| 16-30 min | 25 | 7% |
| 31-60 min | 9 | 3% |
| 61-120 min | 7 | 2% |
| 2+ hrs | 26 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 94% | +3 min |
| 2025-08 | 30 | 87% | +18 min |
| 2025-09 | 30 | 93% | -3 min |
| 2025-10 | 31 | 90% | +9 min |
| 2025-11 | 27 | 93% | -6 min |
| 2025-12 | 28 | 68% | +41 min |
| 2026-01 | 30 | 63% | +36 min |
| 2026-02 | 27 | 70% | +29 min |
| 2026-03 | 25 | 64% | +59 min |
| 2026-04 | 26 | 73% | +57 min |
| 2026-05 | 31 | 90% | +1 min |
| 2026-06 | 30 | 77% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 48 | 90% |
| Tue | 51 | 88% |
| Wed | 49 | 82% |
| Thu | 51 | 80% |
| Fri | 50 | 76% |
| Sat | 50 | 72% |
| Sun | 47 | 77% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…