UA1555 DCA → ORD
United Airlines · Washington, DC to Chicago, IL · 52 flights observed, 2025-10-26 to 2025-12-17 · 612 mi
UA1555 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
45%
Median delay
+20 min
90th percentile
+52 min
Cancellation rate
2%
How often is UA1555 on time?
Across 52 flights on DCA → ORD from 2025-10-26 to 2025-12-17, UA1555 arrived within 15 minutes of schedule 45% of the time. The median arrival delay was +20 min, and the worst 10% of flights arrived +52 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 | 23 | 45% |
| 16-30 min | 11 | 22% |
| 31-60 min | 13 | 25% |
| 61-120 min | 3 | 6% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 33% | +22 min |
| 2025-11 | 28 | 43% | +27 min |
| 2025-12 | 17 | 53% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | 8 | 75% |
| Wed | 8 | 25% |
| Thu | 6 | 33% |
| Fri | 7 | 14% |
| Sat | 6 | 67% |
| Sun | 8 | 38% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…