Flight OddsUA4305 IAD → HSV
United Airlines · Washington, DC to Huntsville, AL · 116 flights observed, 2025-07-01 to 2025-10-25 · 596 mi
UA4305 covers more than one route in the data window — the stats below are for IAD → HSV, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-8 min
90th percentile
+139 min
Cancellation rate
4%
How often is UA4305 on time?
Across 116 flights on IAD → HSV from 2025-07-01 to 2025-10-25, UA4305 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +139 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 86 | 78% |
| 16-30 min | 4 | 4% |
| 31-60 min | 5 | 5% |
| 61-120 min | 2 | 2% |
| 2+ hrs | 13 | 12% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 25 | 56% | +118 min |
| 2025-08 | 30 | 80% | +54 min |
| 2025-09 | 30 | 83% | +3 min |
| 2025-10 | 25 | 92% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 75% |
| Tue | 16 | 75% |
| Wed | 15 | 87% |
| Thu | 15 | 87% |
| Fri | 16 | 88% |
| Sat | 17 | 65% |
| Sun | 15 | 73% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…