Flight OddsUA310 CMH → IAD
United Airlines · Columbus, OH to Washington, DC · 53 flights observed, 2026-01-06 to 2026-03-04 · 299 mi
UA310 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
85%
Median delay
-13 min
90th percentile
+40 min
Cancellation rate
2%
How often is UA310 on time?
Across 53 flights on CMH → IAD from 2026-01-06 to 2026-03-04, UA310 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +40 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 44 | 85% |
| 16-30 min | 1 | 2% |
| 31-60 min | 3 | 6% |
| 61-120 min | 2 | 4% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 21 | 90% | -2 min |
| 2026-02 | 27 | 81% | +0 min |
| 2026-03 | 4 | 75% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | 9 | 89% |
| Wed | 9 | 100% |
| Thu | 8 | 88% |
| Fri | 8 | 88% |
| Sat | 3 | 100% |
| Sun | 7 | 57% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…