Flight OddsUA2635 SMF → ORD
United Airlines · Sacramento, CA to Chicago, IL · 68 flights observed, 2025-08-19 to 2025-10-25 · 1,781 mi
UA2635 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
93%
Median delay
-8 min
90th percentile
+11 min
Cancellation rate
0%
How often is UA2635 on time?
Across 68 flights on SMF → ORD from 2025-08-19 to 2025-10-25, UA2635 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +11 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 | 63 | 93% |
| 16-30 min | 3 | 4% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 100% | -10 min |
| 2025-09 | 30 | 87% | +2 min |
| 2025-10 | 25 | 96% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 89% |
| Tue | 10 | 100% |
| Wed | 10 | 100% |
| Thu | 10 | 100% |
| Fri | 10 | 80% |
| Sat | 10 | 80% |
| Sun | 9 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…