Flight OddsUA4798 DCA → ORD
United Airlines · Washington, DC to Chicago, IL · 45 flights observed, 2025-10-26 to 2025-12-17 · 612 mi
UA4798 covers more than one route in the data window — the stats below are for DCA → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
-9 min
90th percentile
+71 min
Cancellation rate
4%
How often is UA4798 on time?
Across 45 flights on DCA → ORD from 2025-10-26 to 2025-12-17, UA4798 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +71 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 | 31 | 72% |
| 16-30 min | 3 | 7% |
| 31-60 min | 1 | 2% |
| 61-120 min | 7 | 16% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 67% | +3 min |
| 2025-11 | 22 | 68% | +13 min |
| 2025-12 | 15 | 80% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | 8 | 63% |
| Wed | 8 | 88% |
| Thu | 6 | 83% |
| Fri | 6 | 83% |
| Sat | No data | — |
| 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…