Flight OddsUA4585 ORD → DAY
United Airlines · Chicago, IL to Dayton, OH · 117 flights observed, 2025-07-01 to 2025-10-25 · 240 mi
UA4585 covers more than one route in the data window — the stats below are for ORD → DAY, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-10 min
90th percentile
+47 min
Cancellation rate
2%
How often is UA4585 on time?
Across 117 flights on ORD → DAY from 2025-07-01 to 2025-10-25, UA4585 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +47 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 95 | 83% |
| 16-30 min | 5 | 4% |
| 31-60 min | 4 | 3% |
| 61-120 min | 6 | 5% |
| 2+ hrs | 5 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 73% | +31 min |
| 2025-08 | 30 | 87% | -1 min |
| 2025-09 | 30 | 83% | -3 min |
| 2025-10 | 25 | 88% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 94% |
| Tue | 17 | 94% |
| Wed | 17 | 59% |
| Thu | 17 | 82% |
| Fri | 16 | 75% |
| Sat | 17 | 82% |
| Sun | 15 | 93% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…