Flight OddsUA3504 DCA → ORD
United Airlines · Washington, DC to Chicago, IL · 50 flights observed, 2025-10-26 to 2025-12-17 · 612 mi
UA3504 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
81%
Median delay
-12 min
90th percentile
+28 min
Cancellation rate
6%
How often is UA3504 on time?
Across 50 flights on DCA → ORD from 2025-10-26 to 2025-12-17, UA3504 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +28 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 38 | 81% |
| 16-30 min | 5 | 11% |
| 31-60 min | 2 | 4% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 67% | +44 min |
| 2025-11 | 26 | 85% | -9 min |
| 2025-12 | 15 | 80% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 86% |
| Tue | 8 | 100% |
| Wed | 8 | 75% |
| Thu | 6 | 83% |
| Fri | 7 | 86% |
| Sat | 4 | 75% |
| 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…