Flight OddsUA587 SFO → ORD
United Airlines · San Francisco, CA to Chicago, IL · 86 flights observed, 2025-07-01 to 2025-09-24 · 1,846 mi
UA587 covers more than one route in the data window — the stats below are for SFO → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
89%
Median delay
-13 min
90th percentile
+17 min
Cancellation rate
6%
How often is UA587 on time?
Across 86 flights on SFO → ORD from 2025-07-01 to 2025-09-24, UA587 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +17 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 | 72 | 89% |
| 16-30 min | 2 | 2% |
| 31-60 min | 3 | 4% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 3 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 79% | +6 min |
| 2025-08 | 29 | 90% | +4 min |
| 2025-09 | 24 | 100% | -16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 80% |
| Tue | 13 | 85% |
| Wed | 13 | 100% |
| Thu | 12 | 92% |
| Fri | 10 | 90% |
| Sat | 12 | 92% |
| Sun | 11 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…