Flight OddsUA4340 HSV → IAD
United Airlines · Huntsville, AL to Washington, DC · 365 flights observed, 2025-07-01 to 2026-06-30 · 596 mi
On-time arrival
83%
Median delay
-12 min
90th percentile
+43 min
Cancellation rate
0%
How often is UA4340 on time?
Across 365 flights on HSV → IAD from 2025-07-01 to 2026-06-30, UA4340 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +43 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 | 303 | 83% |
| 16-30 min | 19 | 5% |
| 31-60 min | 13 | 4% |
| 61-120 min | 12 | 3% |
| 2+ hrs | 16 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 73% | +19 min |
| 2025-08 | 31 | 74% | +22 min |
| 2025-09 | 30 | 93% | -1 min |
| 2025-10 | 31 | 94% | -8 min |
| 2025-11 | 30 | 87% | +7 min |
| 2025-12 | 31 | 81% | -3 min |
| 2026-01 | 30 | 83% | -4 min |
| 2026-02 | 28 | 93% | -10 min |
| 2026-03 | 31 | 74% | +7 min |
| 2026-04 | 30 | 90% | -8 min |
| 2026-05 | 31 | 84% | -1 min |
| 2026-06 | 30 | 77% | +94 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 81% |
| Tue | 52 | 88% |
| Wed | 52 | 92% |
| Thu | 52 | 90% |
| Fri | 52 | 75% |
| Sat | 52 | 77% |
| Sun | 51 | 80% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…