Flight OddsUA4027 CMH → IAD
United Airlines · Columbus, OH to Washington, DC · 23 flights observed, 2026-01-06 to 2026-02-01 · 299 mi
UA4027 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
73%
Median delay
+1 min
90th percentile
+132 min
Cancellation rate
4%
How often is UA4027 on time?
Across 23 flights on CMH → IAD from 2026-01-06 to 2026-02-01, UA4027 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +132 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 | 16 | 73% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 3 | 14% |
| 2+ hrs | 3 | 14% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 21 | 71% | +38 min |
| 2026-02 | 1 | 100% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 33% |
| Tue | 4 | 75% |
| Wed | 4 | 100% |
| Thu | 4 | 75% |
| Fri | 4 | 75% |
| Sat | No data | — |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…