Flight OddsUA4552 ORD → DAY
United Airlines · Chicago, IL to Dayton, OH · 71 flights observed, 2025-07-02 to 2025-09-24 · 240 mi
UA4552 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
81%
Median delay
-10 min
90th percentile
+75 min
Cancellation rate
3%
How often is UA4552 on time?
Across 71 flights on ORD → DAY from 2025-07-02 to 2025-09-24, UA4552 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +75 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 56 | 81% |
| 16-30 min | 2 | 3% |
| 31-60 min | 2 | 3% |
| 61-120 min | 6 | 9% |
| 2+ hrs | 3 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 21 | 67% | +28 min |
| 2025-08 | 27 | 81% | +7 min |
| 2025-09 | 21 | 95% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 73% |
| Tue | 8 | 88% |
| Wed | 13 | 85% |
| Thu | 11 | 82% |
| Fri | 8 | 88% |
| Sat | 7 | 71% |
| Sun | 11 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…