UA1841 SMF → DEN
United Airlines · Sacramento, CA to Denver, CO · 224 flights observed, 2025-07-01 to 2026-06-29 · 909 mi
UA1841 covers more than one route in the data window — the stats below are for SMF → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-13 min
90th percentile
+55 min
Cancellation rate
1%
How often is UA1841 on time?
Across 224 flights on SMF → DEN from 2025-07-01 to 2026-06-29, UA1841 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +55 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 174 | 79% |
| 16-30 min | 11 | 5% |
| 31-60 min | 17 | 8% |
| 61-120 min | 13 | 6% |
| 2+ hrs | 6 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 59% | +18 min |
| 2025-08 | 25 | 80% | 0 min |
| 2025-09 | 21 | 67% | +7 min |
| 2025-10 | 22 | 95% | -10 min |
| 2025-11 | 21 | 90% | -3 min |
| 2025-12 | 12 | 67% | +11 min |
| 2026-01 | 4 | 100% | -17 min |
| 2026-02 | 11 | 73% | +10 min |
| 2026-03 | 17 | 88% | -13 min |
| 2026-04 | 18 | 89% | -14 min |
| 2026-05 | 20 | 90% | -8 min |
| 2026-06 | 21 | 67% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 33 | 67% |
| Tue | 10 | 80% |
| Wed | 41 | 88% |
| Thu | 43 | 70% |
| Fri | 42 | 83% |
| Sat | 11 | 91% |
| Sun | 41 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…