UA1828 ORD → SMF
United Airlines · Chicago, IL to Sacramento, CA · 205 flights observed, 2025-10-26 to 2026-06-30 · 1,781 mi
UA1828 covers more than one route in the data window — the stats below are for ORD → SMF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
60%
Median delay
+8 min
90th percentile
+63 min
Cancellation rate
3%
How often is UA1828 on time?
Across 205 flights on ORD → SMF from 2025-10-26 to 2026-06-30, UA1828 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +63 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 119 | 60% |
| 16-30 min | 33 | 17% |
| 31-60 min | 26 | 13% |
| 61-120 min | 11 | 6% |
| 2+ hrs | 10 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 83% | -12 min |
| 2025-11 | 28 | 46% | +31 min |
| 2025-12 | 29 | 48% | +31 min |
| 2026-01 | 5 | 60% | +17 min |
| 2026-02 | 17 | 82% | 0 min |
| 2026-03 | 27 | 59% | +21 min |
| 2026-04 | 28 | 61% | +14 min |
| 2026-05 | 31 | 65% | +15 min |
| 2026-06 | 28 | 61% | +47 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 30 | 63% |
| Tue | 27 | 70% |
| Wed | 26 | 58% |
| Thu | 27 | 52% |
| Fri | 29 | 59% |
| Sat | 29 | 69% |
| Sun | 31 | 48% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…