UA4598 ORD → DAY
United Airlines · Chicago, IL to Dayton, OH · 8 flights observed, 2025-08-01 to 2026-04-30 · 240 mi
UA4598 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
75%
Median delay
-3 min
90th percentile
+89 min
Cancellation rate
0%
How often is UA4598 on time?
Across 8 flights on ORD → DAY from 2025-08-01 to 2026-04-30, UA4598 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +89 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 | 6 | 75% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 13% |
| 2+ hrs | 1 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 7 | 71% | +25 min |
| 2026-04 | 1 | 100% | -19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 3 | 67% |
| Fri | 3 | 67% |
| Sat | No data | — |
| Sun | 2 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…