Flight OddsUA3430 CMH → IAD
United Airlines · Columbus, OH to Washington, DC · 321 flights observed, 2025-07-01 to 2026-05-20 · 299 mi
UA3430 covers more than one route in the data window — the stats below are for CMH → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
95%
Median delay
-11 min
90th percentile
+7 min
Cancellation rate
1%
How often is UA3430 on time?
Across 321 flights on CMH → IAD from 2025-07-01 to 2026-05-20, UA3430 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +7 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 | 300 | 95% |
| 16-30 min | 8 | 3% |
| 31-60 min | 5 | 2% |
| 61-120 min | 4 | 1% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 93% | -2 min |
| 2025-08 | 31 | 94% | -8 min |
| 2025-09 | 29 | 100% | -9 min |
| 2025-10 | 31 | 97% | -9 min |
| 2025-11 | 30 | 87% | 0 min |
| 2025-12 | 31 | 81% | +4 min |
| 2026-01 | 29 | 97% | -10 min |
| 2026-02 | 26 | 100% | -12 min |
| 2026-03 | 30 | 100% | -15 min |
| 2026-04 | 30 | 100% | -12 min |
| 2026-05 | 20 | 95% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 45 | 91% |
| Tue | 45 | 96% |
| Wed | 46 | 96% |
| Thu | 45 | 98% |
| Fri | 46 | 96% |
| Sat | 46 | 96% |
| Sun | 44 | 91% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…