Flight OddsUA2437 SMF → ORD
United Airlines · Sacramento, CA to Chicago, IL · 47 flights observed, 2025-07-01 to 2025-08-17 · 1,781 mi
UA2437 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
46%
Median delay
+21 min
90th percentile
+99 min
Cancellation rate
2%
How often is UA2437 on time?
Across 47 flights on SMF → ORD from 2025-07-01 to 2025-08-17, UA2437 arrived within 15 minutes of schedule 46% of the time. The median arrival delay was +21 min, and the worst 10% of flights arrived +99 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 21 | 46% |
| 16-30 min | 5 | 11% |
| 31-60 min | 9 | 20% |
| 61-120 min | 9 | 20% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 34% | +41 min |
| 2025-08 | 17 | 65% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 17% |
| Tue | 7 | 57% |
| Wed | 7 | 43% |
| Thu | 6 | 67% |
| Fri | 6 | 50% |
| Sat | 7 | 43% |
| Sun | 7 | 43% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…