Flight OddsUA4380 ORD → DAY
United Airlines · Chicago, IL to Dayton, OH · 97 flights observed, 2026-02-12 to 2026-05-20 · 240 mi
UA4380 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
71%
Median delay
-2 min
90th percentile
+119 min
Cancellation rate
2%
How often is UA4380 on time?
Across 97 flights on ORD → DAY from 2026-02-12 to 2026-05-20, UA4380 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +119 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 | 67 | 71% |
| 16-30 min | 5 | 5% |
| 31-60 min | 11 | 12% |
| 61-120 min | 2 | 2% |
| 2+ hrs | 10 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 17 | 94% | -12 min |
| 2026-03 | 30 | 53% | +47 min |
| 2026-04 | 29 | 69% | +28 min |
| 2026-05 | 19 | 79% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 77% |
| Tue | 14 | 71% |
| Wed | 14 | 50% |
| Thu | 14 | 71% |
| Fri | 14 | 43% |
| Sat | 13 | 92% |
| Sun | 13 | 92% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…