Flight OddsUA4249 DAY → IAD
United Airlines · Dayton, OH to Washington, DC · 41 flights observed, 2025-07-01 to 2025-08-18 · 367 mi
UA4249 covers more than one route in the data window — the stats below are for DAY → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
71%
Median delay
-7 min
90th percentile
+59 min
Cancellation rate
15%
How often is UA4249 on time?
Across 41 flights on DAY → IAD from 2025-07-01 to 2025-08-18, UA4249 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +59 min or later. 15% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 25 | 71% |
| 16-30 min | 3 | 9% |
| 31-60 min | 4 | 11% |
| 61-120 min | 2 | 6% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 22 | 59% | +28 min |
| 2025-08 | 13 | 92% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 83% |
| Tue | 6 | 83% |
| Wed | 5 | 60% |
| Thu | 6 | 67% |
| Fri | 6 | 67% |
| Sat | No data | — |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…