UA4594 ORD → DAY
United Airlines · Chicago, IL to Dayton, OH · 169 flights observed, 2026-01-06 to 2026-06-30 · 240 mi
UA4594 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
70%
Median delay
-4 min
90th percentile
+103 min
Cancellation rate
2%
How often is UA4594 on time?
Across 169 flights on ORD → DAY from 2026-01-06 to 2026-06-30, UA4594 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +103 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 | 116 | 70% |
| 16-30 min | 9 | 5% |
| 31-60 min | 16 | 10% |
| 61-120 min | 12 | 7% |
| 2+ hrs | 13 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 21 | 57% | +42 min |
| 2026-02 | 25 | 84% | -7 min |
| 2026-03 | 30 | 70% | +25 min |
| 2026-04 | 29 | 62% | +17 min |
| 2026-05 | 31 | 65% | +40 min |
| 2026-06 | 30 | 80% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 67% |
| Tue | 21 | 67% |
| Wed | 24 | 71% |
| Thu | 25 | 84% |
| Fri | 25 | 48% |
| Sat | 23 | 70% |
| Sun | 24 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…