Flight OddsUA587 SMF → ORD
United Airlines · Sacramento, CA to Chicago, IL · 77 flights observed, 2025-12-18 to 2026-03-04 · 1,781 mi
UA587 covers more than one route in the data window — the stats below are for SMF → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
90%
Median delay
-10 min
90th percentile
+17 min
Cancellation rate
0%
How often is UA587 on time?
Across 77 flights on SMF → ORD from 2025-12-18 to 2026-03-04, UA587 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +17 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 | 69 | 90% |
| 16-30 min | 2 | 3% |
| 31-60 min | 4 | 5% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 14 | 93% | -23 min |
| 2026-01 | 31 | 87% | -4 min |
| 2026-02 | 28 | 89% | +11 min |
| 2026-03 | 4 | 100% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 82% |
| Tue | 11 | 91% |
| Wed | 11 | 100% |
| Thu | 11 | 100% |
| Fri | 11 | 82% |
| Sat | 11 | 91% |
| 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…