Flight OddsUA587 ORD → IAD
United Airlines · Chicago, IL to Washington, DC · 223 flights observed, 2025-08-19 to 2026-05-20 · 588 mi
UA587 covers more than one route in the data window — the stats below are for ORD → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
73%
Median delay
+3 min
90th percentile
+40 min
Cancellation rate
0%
How often is UA587 on time?
Across 223 flights on ORD → IAD from 2025-08-19 to 2026-05-20, UA587 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +40 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 161 | 73% |
| 16-30 min | 29 | 13% |
| 31-60 min | 15 | 7% |
| 61-120 min | 9 | 4% |
| 2+ hrs | 7 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 77% | +8 min |
| 2025-09 | 24 | 75% | +17 min |
| 2025-10 | 6 | 67% | +28 min |
| 2025-11 | 30 | 60% | +35 min |
| 2025-12 | 31 | 68% | +12 min |
| 2026-01 | 30 | 83% | +2 min |
| 2026-02 | 11 | 82% | +0 min |
| 2026-03 | 26 | 65% | +25 min |
| 2026-04 | 30 | 90% | +3 min |
| 2026-05 | 20 | 60% | +16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 32 | 69% |
| Tue | 33 | 79% |
| Wed | 33 | 64% |
| Thu | 31 | 81% |
| Fri | 30 | 77% |
| Sat | 31 | 74% |
| Sun | 31 | 68% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…