Flight OddsSMF → ORD United Airlines
United Airlines · Sacramento, CA to Chicago, IL · 987 flights, 2025-07-01 to 2026-06-30 · aggregated across 15 flight numbers
On-time arrival
81%
Median delay
-5 min
90th percentile
+34 min
Cancellation rate
1%
How on-time is United Airlines from SMF to ORD?
Across every United Airlines flight number on SMF → ORD (987 flights, 2025-07-01 to 2026-06-30), 81% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +34 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 783 | 81% |
| 16-30 min | 76 | 8% |
| 31-60 min | 51 | 5% |
| 61-120 min | 32 | 3% |
| 2+ hrs | 28 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 89 | 53% | +25 min |
| 2025-08 | 89 | 75% | +13 min |
| 2025-09 | 87 | 83% | +2 min |
| 2025-10 | 92 | 91% | -3 min |
| 2025-11 | 86 | 78% | +17 min |
| 2025-12 | 75 | 79% | +4 min |
| 2026-01 | 67 | 79% | +3 min |
| 2026-02 | 56 | 91% | +3 min |
| 2026-03 | 64 | 84% | +2 min |
| 2026-04 | 87 | 91% | -5 min |
| 2026-05 | 92 | 89% | -1 min |
| 2026-06 | 86 | 79% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 141 | 79% |
| Tue | 143 | 83% |
| Wed | 136 | 80% |
| Thu | 136 | 86% |
| Fri | 137 | 82% |
| Sat | 135 | 81% |
| Sun | 142 | 75% |
UA flight numbers on SMF → ORD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…