Flight OddsUA3488 DCA → ORD
United Airlines · Washington, DC to Chicago, IL · 128 flights observed, 2026-01-06 to 2026-05-20 · 612 mi
UA3488 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
78%
Median delay
-6 min
90th percentile
+48 min
Cancellation rate
9%
How often is UA3488 on time?
Across 128 flights on DCA → ORD from 2026-01-06 to 2026-05-20, UA3488 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +48 min or later. 9% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 91 | 78% |
| 16-30 min | 10 | 9% |
| 31-60 min | 6 | 5% |
| 61-120 min | 5 | 4% |
| 2+ hrs | 5 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 23 | 83% | +6 min |
| 2026-02 | 25 | 68% | +3 min |
| 2026-03 | 27 | 67% | +18 min |
| 2026-04 | 23 | 96% | -11 min |
| 2026-05 | 19 | 79% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 69% |
| Tue | 18 | 83% |
| Wed | 20 | 80% |
| Thu | 18 | 67% |
| Fri | 16 | 81% |
| Sat | 12 | 75% |
| Sun | 17 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…