Flight OddsUA4550 DAY → ORD
United Airlines · Dayton, OH to Chicago, IL · 7 flights observed, 2025-08-02 to 2025-08-16 · 240 mi
UA4550 covers more than one route in the data window — the stats below are for DAY → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
86%
Median delay
-31 min
90th percentile
+26 min
Cancellation rate
0%
How often is UA4550 on time?
Across 7 flights on DAY → ORD from 2025-08-02 to 2025-08-16, UA4550 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -31 min, and the worst 10% of flights arrived +26 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 | 86% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 14% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 7 | 86% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 100% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | 2 | 100% |
| Sat | 3 | 67% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…