Flight OddsUA3401 CHS → IAD
United Airlines · Charleston, SC to Washington, DC · 140 flights observed, 2025-07-01 to 2026-06-30 · 442 mi
UA3401 covers more than one route in the data window — the stats below are for CHS → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
-10 min
90th percentile
+49 min
Cancellation rate
1%
How often is UA3401 on time?
Across 140 flights on CHS → IAD from 2025-07-01 to 2026-06-30, UA3401 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +49 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 112 | 81% |
| 16-30 min | 9 | 7% |
| 31-60 min | 5 | 4% |
| 61-120 min | 6 | 4% |
| 2+ hrs | 6 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 69% | +25 min |
| 2025-08 | 18 | 83% | -2 min |
| 2025-09 | 6 | 100% | -12 min |
| 2025-10 | 25 | 84% | +13 min |
| 2025-12 | 14 | 79% | -1 min |
| 2026-01 | 5 | 100% | -7 min |
| 2026-05 | 11 | 73% | +7 min |
| 2026-06 | 30 | 87% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 20 | 90% |
| Tue | 18 | 89% |
| Wed | 18 | 78% |
| Thu | 21 | 90% |
| Fri | 21 | 67% |
| Sat | 21 | 81% |
| Sun | 19 | 74% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…