UA1858 CHS → IAD
United Airlines · Charleston, SC to Washington, DC · 243 flights observed, 2025-07-01 to 2026-06-30 · 442 mi
UA1858 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
94%
Median delay
-11 min
90th percentile
+5 min
Cancellation rate
0%
How often is UA1858 on time?
Across 243 flights on CHS → IAD from 2025-07-01 to 2026-06-30, UA1858 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +5 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 | 229 | 94% |
| 16-30 min | 2 | 1% |
| 31-60 min | 4 | 2% |
| 61-120 min | 3 | 1% |
| 2+ hrs | 5 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 97% | -10 min |
| 2025-08 | 25 | 96% | -6 min |
| 2025-09 | 17 | 94% | -5 min |
| 2025-10 | 20 | 95% | +2 min |
| 2025-11 | 27 | 96% | 0 min |
| 2025-12 | 1 | 100% | -12 min |
| 2026-02 | 12 | 83% | +10 min |
| 2026-03 | 26 | 88% | -1 min |
| 2026-04 | 26 | 92% | -8 min |
| 2026-05 | 28 | 96% | -8 min |
| 2026-06 | 30 | 97% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 42 | 98% |
| Tue | 29 | 97% |
| Wed | 31 | 94% |
| Thu | 42 | 93% |
| Fri | 42 | 93% |
| Sat | 15 | 93% |
| Sun | 42 | 93% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…